prompt.content: <|im_start|>system
  You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
  <|im_end|>
  <|im_start|>user
  You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
  Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 
  
  <|actionspace_start|>
  Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
  1. input:
  Action: Type text into an input field to search for a specific product. 
  Action Argument: the input_text is the specific text entered by the customer.
  {
  "timestamp": "timestamp",
  "action": "input",
  "action_argument": "input_text",
  }
  
  2. click:
  Action: Click on a UI interface button or clickable element on the Amazon website.
  Action Argument: The clickable_name is one of the UI interface buttons or clickable elements including "review", "search", "product_option", "other", "nav_bar", "quantity", "page_related", "suggested_term", "cart_side_bar", "cart_page_select", and "filter". Select one of these buttons or clickable elements as action argument.
  {
  "timestamp": "timestamp",
  "action": "click",
  "action_argument": "clickable_name",
  }
  
  3. click_product:
  Action: Click on product links or product images.
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
  {
  "timestamp": "timestamp",
  "action": "click_product",
  "action_argument": "product_asin",
  }
  
  4. purchase:
  Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
  {
  "timestamp": "timestamp",
  "action": "purchase",
  "action_argument": "product_asin",
  }
  <|actionspace_end|>
  
  <|memory_start|>
  {"timestamp": "2025-04-01T00:09:12.232Z", "action": "input", "action_argument": "bike pump with gauge"}
  {"timestamp": "2025-04-01T00:10:24.448Z", "action": "click_product", "action_argument": "B00XLGKU14"}
  {"timestamp": "2025-04-01T17:23:00.405Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-01T17:23:03.503Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-01T17:23:13.604Z", "action": "click_product", "action_argument": "B0DLBTPDCS"}
  {"timestamp": "2025-04-01T17:23:35.661Z", "action": "click", "action_argument": "product_option"}
  {"timestamp": "2025-04-01T17:23:40.626Z", "action": "click", "action_argument": "product_option"}
  {"timestamp": "2025-04-01T17:23:48.849Z", "action": "click", "action_argument": "product_option"}
  {"timestamp": "2025-04-01T17:23:54.591Z", "action": "click", "action_argument": "other"}
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-07T20:39:04.148Z", "action": "input", "action_argument": "rb5424D ray ban replacement nose pads"}
  {"timestamp": "2025-04-07T20:39:04.760Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-07T20:39:47.542Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
  {"timestamp": "2025-04-07T20:39:49.300Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
  {"timestamp": "2025-04-07T20:39:51.377Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-07T20:46:45.160Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-07T20:46:46.070Z", "action": "click", "action_argument": "search"}
  <|action_end|>
  
  <|observation_start|>
  Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
  "search_term": [{"term": "U-Shaped Nose Pads for Adult Eyeglasses"}],
  "cart_items": [{"title": "The Invisible Computer: Why Good Products Can Fail, the Personal Computer Is So Complex, and Information Appliances Are the Solution", "asin": "0262640414", "price": "$35.00", "quantity": "1"},
  {"title": "Scenario-Based Design: Envisioning Work and Technology in System Development", "asin": "0471076597", "price": "$34.44", "quantity": "1"},
  {"title": "Things That Make Us Smart (William Patrick Book)", "asin": "0201626950", "price": "$11.33", "quantity": "1"},
  {"title": "Participatory Design: Principles and Practices", "asin": "0805809511", "price": "$99.99", "quantity": "1"},
  {"title": "The Nurnberg Funnel: Designing Minimalist Instruction for Practical Computer Skill (Technical Communication, Multimedia, and Information Systems)", "asin": "0262031639", "price": "$11.93", "quantity": "1"},
  {"title": "Computer-Supported Cooperative Work: A Book of Readings", "asin": "0934613575", "price": "$16.30", "quantity": "1"},
  {"title": "User Centered System Design: New Perspectives on Human-computer Interaction", "asin": "0898598729", "price": "$130.00", "quantity": "1"},
  {"title": "Human-Machine Reconfigurations: Plans and Situated Actions (Learning in Doing: Social, Cognitive and Computational Perspectives)", "asin": "052167588X", "price": "$44.99", "quantity": "1"},
  {"title": "The Human Use Of Human Beings", "asin": "0306803208", "price": "$8.87", "quantity": "1"},
  {"title": "Emotional Design: Why We Love (or Hate) Everyday Things", "asin": "0465051367", "price": "$10.79", "quantity": "1"},
  {"title": "The Design of Everyday Things: Revised and Expanded Edition", "asin": "0465050654", "price": "$12.77", "quantity": "1"}],
  "product_details": [{"asin": "B09NVPJ9ZG"},
  {"title": "10 Pack Silicone Glasses U Shaped Screw-in Nose Pads with Micro Screwdriver, Non-Slip Anti-Drop Eyeglass Saddle Bridge Nose Pad Set for Eyeglasses Glasses Sunglasses Eyewear Optical, 42mm, Transparent"},
  {"price": "$6.99"},
  {"bullet_list": "Premium Material: Made of good quality silicone, non-slip, soft, comfortable to wear, not easy to change color, perfectly fit the skin. You could ensure your glasses would stay securely on your face with these nose pads. Wide Application: Suitable for most screw on spectacles, eye glasses, frame, decorative glasses, single lens, full-frame glasses, sunglasses, plastic glasses, board sunglasses plates, plastic frames, plate optical frames and so on. Easy to use: With the disassembly fixing screwdriver, you could install and replace the non-slip nose pads is installed on the glasses easily. The screw-on bridge strap nose pads could revive your frames and bring new comfort and life to your glasses. Unique Design: U Shape Design, Larger contact surface with good anti-slip effect, it could make the bridge of nose bear even force, prevent the indentation of glasses and keep the bridge of nose bone from deformation after being installed on glasses. Packing List: 10 x Silicone Glasses U Shaped Screw-in Nose Pads(Transparent), 1 x Disassembly Fixing Tool .It could effectively protect the development of nasal bridge. All day comfort, cushion soft, not sticky, easy to clean."}],
  "product_quantity": [{"quantity": "1"}],
  "promotion_items": [{"title": "GMS Optical 15mm Med Length / 6mm Normal Width- Push-in Tear Drop Silicone Nose Pads for Glasses, Sunglasses, and Eyeglass Nose Pads, Great for Eyeglass Repair (5 Pair) (Clear)", "asin": "B08N6YLKM2", "price": "$8.98", "quantity": ""},
  {"title": "Setex Gecko Grip 1mm Anti Slip Eyeglass Nose Pads, (5 Black Pair) USA Made, 2500 Innovative Microstructured Fibers per Nose Pad, 1mm x 7mm x 16mm", "asin": "B08C2T72ND", "price": "$11.99", "quantity": ""},
  {"title": "2 Pairs Comfortable Titanium Eyeglass Nose Pads - Eyeglass Repair Kit with Screw Dr...", "asin": "B0CHMW186D", "price": "$13.19", "quantity": ""},
  {"title": "GMS Optical 1.8mm Reg-Thin/13mm Short Length- Adhesive Butterfly Contoured Shape Anti-Slip Silicone Eyeglass Nose Pads, Non-Slip Nose Pads for Glasses, Nose Pads for Kids & Small frame-10 Pair Clear", "asin": "B0D9QYMJ4G", "price": "$13.98", "quantity": ""},
  {"title": "20 Pairs Eyeglass Nose Pads Stick On Silicone Anti-Slip for Glasses Sunglasses Thin Nose Pads Eyeglasses, Adhesive Nose Pad for Eyeglass, Anti Slip Eyeglass Nose Pads (Clear)", "asin": "B0F1CCFL6H", "price": "$5.99", "quantity": ""},
  {"title": "Eyeglass Nose Pads, Comfort Soft Silicone Glasses Nose Pad, Anti-Slip Heighten Air ...", "asin": "B09MN63CGY", "price": "$8.98", "quantity": ""},
  {"title": "YR Soft Silicone Eyeglasses Temple Tips Sleeve Retainer,Anti-Slip Elastic Comfort Glasses Retainers For Spectacle Sunglasses Reading Glasses Eyewear,Glasses Grips,Glasses anti slip,5 pairs -Clear", "asin": "B074V7CR4F", "price": "$6.99", "quantity": ""}],
  "comparison_items": [{"title": "10 Pack Silicone Glasses U Shaped Screw-in Nose Pads with Micro Screwdriver, Non-Slip Anti-Drop Eyeglass Saddle Bridge Nose Pad Set for Eyeglasses Glasses Sunglasses Eyewear Optical, 42mm, Transparent", "asin": "B09NVPJ9ZG", "price": "$6.99"},
  {"title": "Eyeglass Saddle Bridge Nose Pads Nose Piece Sunglasses Nose Pads Silicone U-Shape Metal Core and Screwdriver for Glass Reading Glasses", "asin": "B0C39TDV9H", "price": "$8.99"},
  {"title": "1PC Plate Glasses Frame Eyeglass Saddle Bridge Nose Pads Piece TR Material Embedded Bracket for Reading Sunglasses", "asin": "B0DB57R75H", "price": "$7.99"},
  {"title": "5PCS Eyeglasses Nose Pads,BEHLINE Glasses Bridge Strap/Saddle Bridge,Soft Silicone Anti-Slip Replacement Nosepads,Screw-in Eyeglasses Nose Piece for Eye Glasses Sunglass Eyewear Repair (Large-Adult)", "asin": "B08S7NNJT7", "price": "$5.28"},
  {"title": "6 Pcs Nose Bridge for Glasses Eyeglasses Nose Pads U Shaped Glasses Bridge Strap Saddle Bridge Silicone Anti-Slip Replacement Nosepad with Screwdriver Screw-in Eyeglasses Nose Piece for Glasses Repair", "asin": "B0D9HB6TGB", "price": "$4.99"},
  {"title": "5 pcs Eyeglasses Nose Pads,U Shaped Eyeglasses Nose Pads Screw-in Eyeglass Nose Piece Soft Silicone Nose pad for Eye Glasses Sunglass Eyewear\uff0cM Size", "asin": "B0DDCBPFRG", "price": "$6.99"}]
  <|observation_end|>
  
  # Output Format
  Please provide your final answer in JSON format within <answer></answer> tags using the following schema (Note that the thinking process should be within 250 words and give enough output space for final answer):
  "<answer>
  {
  "timestamp": "2025-04-07T20:50:58.581Z", // the timestamp when this action occurs.
  "action": "string", // select one plausible action from: input, click_product, purchase, or click.
  "acion_argument": "string", // select appropriate value based on action type: input_text, product_asin, clickable_name.
  }
  </answer>"
  
  <|im_end|>
  <|im_start|>assistant
  <think>
  
prompt.role: user
question: <|im_start|>system
  You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
  <|im_end|>
  <|im_start|>user
  You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
  Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 
  
  <|actionspace_start|>
  Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
  1. input:
  Action: Type text into an input field to search for a specific product. 
  Action Argument: the input_text is the specific text entered by the customer.
  {
  "timestamp": "timestamp",
  "action": "input",
  "action_argument": "input_text",
  }
  
  2. click:
  Action: Click on a UI interface button or clickable element on the Amazon website.
  Action Argument: The clickable_name is one of the UI interface buttons or clickable elements including "review", "search", "product_option", "other", "nav_bar", "quantity", "page_related", "suggested_term", "cart_side_bar", "cart_page_select", and "filter". Select one of these buttons or clickable elements as action argument.
  {
  "timestamp": "timestamp",
  "action": "click",
  "action_argument": "clickable_name",
  }
  
  3. click_product:
  Action: Click on product links or product images.
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
  {
  "timestamp": "timestamp",
  "action": "click_product",
  "action_argument": "product_asin",
  }
  
  4. purchase:
  Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
  {
  "timestamp": "timestamp",
  "action": "purchase",
  "action_argument": "product_asin",
  }
  <|actionspace_end|>
  
  <|memory_start|>
  {"timestamp": "2025-04-01T00:09:12.232Z", "action": "input", "action_argument": "bike pump with gauge"}
  {"timestamp": "2025-04-01T00:10:24.448Z", "action": "click_product", "action_argument": "B00XLGKU14"}
  {"timestamp": "2025-04-01T17:23:00.405Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-01T17:23:03.503Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-01T17:23:13.604Z", "action": "click_product", "action_argument": "B0DLBTPDCS"}
  {"timestamp": "2025-04-01T17:23:35.661Z", "action": "click", "action_argument": "product_option"}
  {"timestamp": "2025-04-01T17:23:40.626Z", "action": "click", "action_argument": "product_option"}
  {"timestamp": "2025-04-01T17:23:48.849Z", "action": "click", "action_argument": "product_option"}
  {"timestamp": "2025-04-01T17:23:54.591Z", "action": "click", "action_argument": "other"}
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-07T20:39:04.148Z", "action": "input", "action_argument": "rb5424D ray ban replacement nose pads"}
  {"timestamp": "2025-04-07T20:39:04.760Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-07T20:39:47.542Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
  {"timestamp": "2025-04-07T20:39:49.300Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
  {"timestamp": "2025-04-07T20:39:51.377Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-07T20:46:45.160Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-07T20:46:46.070Z", "action": "click", "action_argument": "search"}
  <|action_end|>
  
  <|observation_start|>
  Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
  "search_term": [{"term": "U-Shaped Nose Pads for Adult Eyeglasses"}],
  "cart_items": [{"title": "The Invisible Computer: Why Good Products Can Fail, the Personal Computer Is So Complex, and Information Appliances Are the Solution", "asin": "0262640414", "price": "$35.00", "quantity": "1"},
  {"title": "Scenario-Based Design: Envisioning Work and Technology in System Development", "asin": "0471076597", "price": "$34.44", "quantity": "1"},
  {"title": "Things That Make Us Smart (William Patrick Book)", "asin": "0201626950", "price": "$11.33", "quantity": "1"},
  {"title": "Participatory Design: Principles and Practices", "asin": "0805809511", "price": "$99.99", "quantity": "1"},
  {"title": "The Nurnberg Funnel: Designing Minimalist Instruction for Practical Computer Skill (Technical Communication, Multimedia, and Information Systems)", "asin": "0262031639", "price": "$11.93", "quantity": "1"},
  {"title": "Computer-Supported Cooperative Work: A Book of Readings", "asin": "0934613575", "price": "$16.30", "quantity": "1"},
  {"title": "User Centered System Design: New Perspectives on Human-computer Interaction", "asin": "0898598729", "price": "$130.00", "quantity": "1"},
  {"title": "Human-Machine Reconfigurations: Plans and Situated Actions (Learning in Doing: Social, Cognitive and Computational Perspectives)", "asin": "052167588X", "price": "$44.99", "quantity": "1"},
  {"title": "The Human Use Of Human Beings", "asin": "0306803208", "price": "$8.87", "quantity": "1"},
  {"title": "Emotional Design: Why We Love (or Hate) Everyday Things", "asin": "0465051367", "price": "$10.79", "quantity": "1"},
  {"title": "The Design of Everyday Things: Revised and Expanded Edition", "asin": "0465050654", "price": "$12.77", "quantity": "1"}],
  "product_details": [{"asin": "B09NVPJ9ZG"},
  {"title": "10 Pack Silicone Glasses U Shaped Screw-in Nose Pads with Micro Screwdriver, Non-Slip Anti-Drop Eyeglass Saddle Bridge Nose Pad Set for Eyeglasses Glasses Sunglasses Eyewear Optical, 42mm, Transparent"},
  {"price": "$6.99"},
  {"bullet_list": "Premium Material: Made of good quality silicone, non-slip, soft, comfortable to wear, not easy to change color, perfectly fit the skin. You could ensure your glasses would stay securely on your face with these nose pads. Wide Application: Suitable for most screw on spectacles, eye glasses, frame, decorative glasses, single lens, full-frame glasses, sunglasses, plastic glasses, board sunglasses plates, plastic frames, plate optical frames and so on. Easy to use: With the disassembly fixing screwdriver, you could install and replace the non-slip nose pads is installed on the glasses easily. The screw-on bridge strap nose pads could revive your frames and bring new comfort and life to your glasses. Unique Design: U Shape Design, Larger contact surface with good anti-slip effect, it could make the bridge of nose bear even force, prevent the indentation of glasses and keep the bridge of nose bone from deformation after being installed on glasses. Packing List: 10 x Silicone Glasses U Shaped Screw-in Nose Pads(Transparent), 1 x Disassembly Fixing Tool .It could effectively protect the development of nasal bridge. All day comfort, cushion soft, not sticky, easy to clean."}],
  "product_quantity": [{"quantity": "1"}],
  "promotion_items": [{"title": "GMS Optical 15mm Med Length / 6mm Normal Width- Push-in Tear Drop Silicone Nose Pads for Glasses, Sunglasses, and Eyeglass Nose Pads, Great for Eyeglass Repair (5 Pair) (Clear)", "asin": "B08N6YLKM2", "price": "$8.98", "quantity": ""},
  {"title": "Setex Gecko Grip 1mm Anti Slip Eyeglass Nose Pads, (5 Black Pair) USA Made, 2500 Innovative Microstructured Fibers per Nose Pad, 1mm x 7mm x 16mm", "asin": "B08C2T72ND", "price": "$11.99", "quantity": ""},
  {"title": "2 Pairs Comfortable Titanium Eyeglass Nose Pads - Eyeglass Repair Kit with Screw Dr...", "asin": "B0CHMW186D", "price": "$13.19", "quantity": ""},
  {"title": "GMS Optical 1.8mm Reg-Thin/13mm Short Length- Adhesive Butterfly Contoured Shape Anti-Slip Silicone Eyeglass Nose Pads, Non-Slip Nose Pads for Glasses, Nose Pads for Kids & Small frame-10 Pair Clear", "asin": "B0D9QYMJ4G", "price": "$13.98", "quantity": ""},
  {"title": "20 Pairs Eyeglass Nose Pads Stick On Silicone Anti-Slip for Glasses Sunglasses Thin Nose Pads Eyeglasses, Adhesive Nose Pad for Eyeglass, Anti Slip Eyeglass Nose Pads (Clear)", "asin": "B0F1CCFL6H", "price": "$5.99", "quantity": ""},
  {"title": "Eyeglass Nose Pads, Comfort Soft Silicone Glasses Nose Pad, Anti-Slip Heighten Air ...", "asin": "B09MN63CGY", "price": "$8.98", "quantity": ""},
  {"title": "YR Soft Silicone Eyeglasses Temple Tips Sleeve Retainer,Anti-Slip Elastic Comfort Glasses Retainers For Spectacle Sunglasses Reading Glasses Eyewear,Glasses Grips,Glasses anti slip,5 pairs -Clear", "asin": "B074V7CR4F", "price": "$6.99", "quantity": ""}],
  "comparison_items": [{"title": "10 Pack Silicone Glasses U Shaped Screw-in Nose Pads with Micro Screwdriver, Non-Slip Anti-Drop Eyeglass Saddle Bridge Nose Pad Set for Eyeglasses Glasses Sunglasses Eyewear Optical, 42mm, Transparent", "asin": "B09NVPJ9ZG", "price": "$6.99"},
  {"title": "Eyeglass Saddle Bridge Nose Pads Nose Piece Sunglasses Nose Pads Silicone U-Shape Metal Core and Screwdriver for Glass Reading Glasses", "asin": "B0C39TDV9H", "price": "$8.99"},
  {"title": "1PC Plate Glasses Frame Eyeglass Saddle Bridge Nose Pads Piece TR Material Embedded Bracket for Reading Sunglasses", "asin": "B0DB57R75H", "price": "$7.99"},
  {"title": "5PCS Eyeglasses Nose Pads,BEHLINE Glasses Bridge Strap/Saddle Bridge,Soft Silicone Anti-Slip Replacement Nosepads,Screw-in Eyeglasses Nose Piece for Eye Glasses Sunglass Eyewear Repair (Large-Adult)", "asin": "B08S7NNJT7", "price": "$5.28"},
  {"title": "6 Pcs Nose Bridge for Glasses Eyeglasses Nose Pads U Shaped Glasses Bridge Strap Saddle Bridge Silicone Anti-Slip Replacement Nosepad with Screwdriver Screw-in Eyeglasses Nose Piece for Glasses Repair", "asin": "B0D9HB6TGB", "price": "$4.99"},
  {"title": "5 pcs Eyeglasses Nose Pads,U Shaped Eyeglasses Nose Pads Screw-in Eyeglass Nose Piece Soft Silicone Nose pad for Eye Glasses Sunglass Eyewear\uff0cM Size", "asin": "B0DDCBPFRG", "price": "$6.99"}]
  <|observation_end|>
  
  # Output Format
  Please provide your final answer in JSON format within <answer></answer> tags using the following schema (Note that the thinking process should be within 250 words and give enough output space for final answer):
  "<answer>
  {
  "timestamp": "2025-04-07T20:50:58.581Z", // the timestamp when this action occurs.
  "action": "string", // select one plausible action from: input, click_product, purchase, or click.
  "acion_argument": "string", // select appropriate value based on action type: input_text, product_asin, clickable_name.
  }
  </answer>"
  
  <|im_end|>
  <|im_start|>assistant
  <think>
  
extra_info.question: <|im_start|>system
  You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
  <|im_end|>
  <|im_start|>user
  You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
  Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 
  
  <|actionspace_start|>
  Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
  1. input:
  Action: Type text into an input field to search for a specific product. 
  Action Argument: the input_text is the specific text entered by the customer.
  {
  "timestamp": "timestamp",
  "action": "input",
  "action_argument": "input_text",
  }
  
  2. click:
  Action: Click on a UI interface button or clickable element on the Amazon website.
  Action Argument: The clickable_name is one of the UI interface buttons or clickable elements including "review", "search", "product_option", "other", "nav_bar", "quantity", "page_related", "suggested_term", "cart_side_bar", "cart_page_select", and "filter". Select one of these buttons or clickable elements as action argument.
  {
  "timestamp": "timestamp",
  "action": "click",
  "action_argument": "clickable_name",
  }
  
  3. click_product:
  Action: Click on product links or product images.
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
  {
  "timestamp": "timestamp",
  "action": "click_product",
  "action_argument": "product_asin",
  }
  
  4. purchase:
  Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
  Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
  {
  "timestamp": "timestamp",
  "action": "purchase",
  "action_argument": "product_asin",
  }
  <|actionspace_end|>
  
  <|memory_start|>
  {"timestamp": "2025-04-01T00:09:12.232Z", "action": "input", "action_argument": "bike pump with gauge"}
  {"timestamp": "2025-04-01T00:10:24.448Z", "action": "click_product", "action_argument": "B00XLGKU14"}
  {"timestamp": "2025-04-01T17:23:00.405Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-01T17:23:03.503Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-01T17:23:13.604Z", "action": "click_product", "action_argument": "B0DLBTPDCS"}
  {"timestamp": "2025-04-01T17:23:35.661Z", "action": "click", "action_argument": "product_option"}
  {"timestamp": "2025-04-01T17:23:40.626Z", "action": "click", "action_argument": "product_option"}
  {"timestamp": "2025-04-01T17:23:48.849Z", "action": "click", "action_argument": "product_option"}
  {"timestamp": "2025-04-01T17:23:54.591Z", "action": "click", "action_argument": "other"}
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-07T20:39:04.148Z", "action": "input", "action_argument": "rb5424D ray ban replacement nose pads"}
  {"timestamp": "2025-04-07T20:39:04.760Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-07T20:39:47.542Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
  {"timestamp": "2025-04-07T20:39:49.300Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
  {"timestamp": "2025-04-07T20:39:51.377Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-07T20:46:45.160Z", "action": "click", "action_argument": "search"}
  {"timestamp": "2025-04-07T20:46:46.070Z", "action": "click", "action_argument": "search"}
  <|action_end|>
  
  <|observation_start|>
  Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
  "search_term": [{"term": "U-Shaped Nose Pads for Adult Eyeglasses"}],
  "cart_items": [{"title": "The Invisible Computer: Why Good Products Can Fail, the Personal Computer Is So Complex, and Information Appliances Are the Solution", "asin": "0262640414", "price": "$35.00", "quantity": "1"},
  {"title": "Scenario-Based Design: Envisioning Work and Technology in System Development", "asin": "0471076597", "price": "$34.44", "quantity": "1"},
  {"title": "Things That Make Us Smart (William Patrick Book)", "asin": "0201626950", "price": "$11.33", "quantity": "1"},
  {"title": "Participatory Design: Principles and Practices", "asin": "0805809511", "price": "$99.99", "quantity": "1"},
  {"title": "The Nurnberg Funnel: Designing Minimalist Instruction for Practical Computer Skill (Technical Communication, Multimedia, and Information Systems)", "asin": "0262031639", "price": "$11.93", "quantity": "1"},
  {"title": "Computer-Supported Cooperative Work: A Book of Readings", "asin": "0934613575", "price": "$16.30", "quantity": "1"},
  {"title": "User Centered System Design: New Perspectives on Human-computer Interaction", "asin": "0898598729", "price": "$130.00", "quantity": "1"},
  {"title": "Human-Machine Reconfigurations: Plans and Situated Actions (Learning in Doing: Social, Cognitive and Computational Perspectives)", "asin": "052167588X", "price": "$44.99", "quantity": "1"},
  {"title": "The Human Use Of Human Beings", "asin": "0306803208", "price": "$8.87", "quantity": "1"},
  {"title": "Emotional Design: Why We Love (or Hate) Everyday Things", "asin": "0465051367", "price": "$10.79", "quantity": "1"},
  {"title": "The Design of Everyday Things: Revised and Expanded Edition", "asin": "0465050654", "price": "$12.77", "quantity": "1"}],
  "product_details": [{"asin": "B09NVPJ9ZG"},
  {"title": "10 Pack Silicone Glasses U Shaped Screw-in Nose Pads with Micro Screwdriver, Non-Slip Anti-Drop Eyeglass Saddle Bridge Nose Pad Set for Eyeglasses Glasses Sunglasses Eyewear Optical, 42mm, Transparent"},
  {"price": "$6.99"},
  {"bullet_list": "Premium Material: Made of good quality silicone, non-slip, soft, comfortable to wear, not easy to change color, perfectly fit the skin. You could ensure your glasses would stay securely on your face with these nose pads. Wide Application: Suitable for most screw on spectacles, eye glasses, frame, decorative glasses, single lens, full-frame glasses, sunglasses, plastic glasses, board sunglasses plates, plastic frames, plate optical frames and so on. Easy to use: With the disassembly fixing screwdriver, you could install and replace the non-slip nose pads is installed on the glasses easily. The screw-on bridge strap nose pads could revive your frames and bring new comfort and life to your glasses. Unique Design: U Shape Design, Larger contact surface with good anti-slip effect, it could make the bridge of nose bear even force, prevent the indentation of glasses and keep the bridge of nose bone from deformation after being installed on glasses. Packing List: 10 x Silicone Glasses U Shaped Screw-in Nose Pads(Transparent), 1 x Disassembly Fixing Tool .It could effectively protect the development of nasal bridge. All day comfort, cushion soft, not sticky, easy to clean."}],
  "product_quantity": [{"quantity": "1"}],
  "promotion_items": [{"title": "GMS Optical 15mm Med Length / 6mm Normal Width- Push-in Tear Drop Silicone Nose Pads for Glasses, Sunglasses, and Eyeglass Nose Pads, Great for Eyeglass Repair (5 Pair) (Clear)", "asin": "B08N6YLKM2", "price": "$8.98", "quantity": ""},
  {"title": "Setex Gecko Grip 1mm Anti Slip Eyeglass Nose Pads, (5 Black Pair) USA Made, 2500 Innovative Microstructured Fibers per Nose Pad, 1mm x 7mm x 16mm", "asin": "B08C2T72ND", "price": "$11.99", "quantity": ""},
  {"title": "2 Pairs Comfortable Titanium Eyeglass Nose Pads - Eyeglass Repair Kit with Screw Dr...", "asin": "B0CHMW186D", "price": "$13.19", "quantity": ""},
  {"title": "GMS Optical 1.8mm Reg-Thin/13mm Short Length- Adhesive Butterfly Contoured Shape Anti-Slip Silicone Eyeglass Nose Pads, Non-Slip Nose Pads for Glasses, Nose Pads for Kids & Small frame-10 Pair Clear", "asin": "B0D9QYMJ4G", "price": "$13.98", "quantity": ""},
  {"title": "20 Pairs Eyeglass Nose Pads Stick On Silicone Anti-Slip for Glasses Sunglasses Thin Nose Pads Eyeglasses, Adhesive Nose Pad for Eyeglass, Anti Slip Eyeglass Nose Pads (Clear)", "asin": "B0F1CCFL6H", "price": "$5.99", "quantity": ""},
  {"title": "Eyeglass Nose Pads, Comfort Soft Silicone Glasses Nose Pad, Anti-Slip Heighten Air ...", "asin": "B09MN63CGY", "price": "$8.98", "quantity": ""},
  {"title": "YR Soft Silicone Eyeglasses Temple Tips Sleeve Retainer,Anti-Slip Elastic Comfort Glasses Retainers For Spectacle Sunglasses Reading Glasses Eyewear,Glasses Grips,Glasses anti slip,5 pairs -Clear", "asin": "B074V7CR4F", "price": "$6.99", "quantity": ""}],
  "comparison_items": [{"title": "10 Pack Silicone Glasses U Shaped Screw-in Nose Pads with Micro Screwdriver, Non-Slip Anti-Drop Eyeglass Saddle Bridge Nose Pad Set for Eyeglasses Glasses Sunglasses Eyewear Optical, 42mm, Transparent", "asin": "B09NVPJ9ZG", "price": "$6.99"},
  {"title": "Eyeglass Saddle Bridge Nose Pads Nose Piece Sunglasses Nose Pads Silicone U-Shape Metal Core and Screwdriver for Glass Reading Glasses", "asin": "B0C39TDV9H", "price": "$8.99"},
  {"title": "1PC Plate Glasses Frame Eyeglass Saddle Bridge Nose Pads Piece TR Material Embedded Bracket for Reading Sunglasses", "asin": "B0DB57R75H", "price": "$7.99"},
  {"title": "5PCS Eyeglasses Nose Pads,BEHLINE Glasses Bridge Strap/Saddle Bridge,Soft Silicone Anti-Slip Replacement Nosepads,Screw-in Eyeglasses Nose Piece for Eye Glasses Sunglass Eyewear Repair (Large-Adult)", "asin": "B08S7NNJT7", "price": "$5.28"},
  {"title": "6 Pcs Nose Bridge for Glasses Eyeglasses Nose Pads U Shaped Glasses Bridge Strap Saddle Bridge Silicone Anti-Slip Replacement Nosepad with Screwdriver Screw-in Eyeglasses Nose Piece for Glasses Repair", "asin": "B0D9HB6TGB", "price": "$4.99"},
  {"title": "5 pcs Eyeglasses Nose Pads,U Shaped Eyeglasses Nose Pads Screw-in Eyeglass Nose Piece Soft Silicone Nose pad for Eye Glasses Sunglass Eyewear\uff0cM Size", "asin": "B0DDCBPFRG", "price": "$6.99"}]
  <|observation_end|>
  
  # Output Format
  Please provide your final answer in JSON format within <answer></answer> tags using the following schema (Note that the thinking process should be within 250 words and give enough output space for final answer):
  "<answer>
  {
  "timestamp": "2025-04-07T20:50:58.581Z", // the timestamp when this action occurs.
  "action": "string", // select one plausible action from: input, click_product, purchase, or click.
  "acion_argument": "string", // select appropriate value based on action type: input_text, product_asin, clickable_name.
  }
  </answer>"
  
  <|im_end|>
  <|im_start|>assistant
  <think>
  