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|>
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-03T00:18:37.474Z", "action": "click", "action_argument": "nav_bar"}
  {"timestamp": "2025-04-03T00:18:53.155Z", "action": "click", "action_argument": "other"}
  {"timestamp": "2025-04-03T00:19:00.895Z", "action": "click", "action_argument": "suggested_term"}
  {"timestamp": "2025-04-03T00:19:14.292Z", "action": "click_product", "action_argument": "B0B99HTD3B"}
  {"timestamp": "2025-04-03T00:19:19.328Z", "action": "click", "action_argument": "product_option"}
  <|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": "asus ap201 case"}],
  "search_results": [{"title": "ASUS Prime AP201 33-Liter MicroATX Black case with Tool-Free Side Panels and a Quasi-Filter mesh, with Support for 360 mm Coolers, Graphics Cards up to 338 mm Long, and Standard ATX PSUs", "asin": "B0B99HTD3B", "price": "$79.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Lian Li A3-mATX-26.3L Micro Form Factor Chassis-Flexible Power Supply Installation-No Fans Included-Supports 360mm AIO-Modularity Design-For M-ATX and ITX Motherboard-DAN Collaboration-Black (\u200eA3X.US)", "asin": "B0D5GYY364", "price": "$77.90", "delivery": "FREE delivery Apr 8 - 11"},
  {"title": "ASUS Prime AP201 TG is a Stylish 33-Liter MicroATX case with Tool-Free Side Panels and a Quasi-Filter mesh, with Support for 360 mm Coolers, Graphics Cards up to 338 mm Long, Tempered Glass Panel", "asin": "B0BVKZ6P9C", "price": "$150.43", "delivery": "FREE delivery Fri, Apr 4 Only 1 left in stock - order soon."},
  {"title": "ASUS Prime AP201 is a stylish 33-liter MicroATX case with tool-free side panels and a quasi-filter mesh, with support for 360 mm coolers, graphics cards up to 338 mm long, and standard ATX PSUs", "asin": "B0B7F8C35R"},
  {"title": "ASUS Prime AP201, MicroATX, 33 Liters, Compatible with Radiators Up to 360mm, Can Hold Video Cards Up to 338mm, Mesh Panels, Toolless Opening, USB Type-C Front, White", "asin": "B0B7F717LJ"},
  {"title": "Cooler Master NR200 Mini-ITX PC Case, 330mm Horizontal Triple-Slot Mount GPU, 240mm|280mm AIO, SFX PSU 130mm, Compatible RX 7900 XTX|4080 Super, Vented Panels, DIY", "asin": "B08BFJ8V8C", "price": "$82.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "JONSBO/JONSPLUS Z20 Black Micro-ATX Mini Tower PC Case,with Detachable Carrying Handle, Mini Size, High-Performance Hardware Compatible, Support 240AIO, H160mm Cooler, Black", "asin": "B0CWQK3LMB", "price": "$104.95", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Thermaltake Core V21 SPCC Micro ATX, Mini ITX Cube Gaming Computer Case Chassis, Small Form Factor Builds, 200mm Front Fan Pre-installed, CA-1D5-00S1WN-00 Black", "asin": "B00PDDMN6S", "price": "$69.99", "delivery": "FREE delivery Sat, Apr 5 Only 14 left in stock - order soon."},
  {"title": "Montech X3 Mesh, 6 Fans - 3x 140mm & 3x 120mm Fixed RGB Lighting Fans, ATX Mid-Tower PC Gaming Case, USB3.0, Door Open Tempered Glass Side Panel, High Airflow, Black", "asin": "B09246FCTZ", "price": "$64.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "LIAN LI High Airflow Micro ATX PC Case, RGB Gaming Computer Case, Mesh Front Panel Mid-Tower Chassis with 2x140mm ARGB PWM Fans Pre-Installed, Tempered Glass Side Panel (LANCOOL 205M MESH, Black)", "asin": "B0B5TG9BP1", "price": "$149.95", "delivery": "FREE delivery Apr 8 - 11 Or fastest delivery Mon, Apr 7 Only 3 left in stock - order soon."},
  {"title": "Genuine Walnut Wood PC Case, Support 360mm Radiator on Top, Pre-Installed 4 x 120mm PWM Fans ATX Case, Type-C Port, Magnetic Tempered Glass Side Panel, Black Computer Case, Cypress 7", "asin": "B0D7BNK6CB", "price": "$95.53", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "matx case,itx case,High Airflow Micro ATX PC Case, Support MATX, Mini-ITX, Micro ATX case Slim with USB3.0x1 I/O Port, Black Without Fans", "asin": "B0CHPRKW18", "price": "$32.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 3"},
  {"title": "JONSBO C6 Black Mini MATX Mesh Case,Simple Compact Desktop Micro ATX Chassis,Upper Cover/Side Panel Tool-Free Open pc case, ATX Power Bite (L185mm Max.),Support 75mm CPU Cooler,GPU200-255mm", "asin": "B0C6JQ63HN", "price": "$62.00", "delivery": "FREE delivery Tue, Apr 8 for Prime members Only 6 left in stock - order soon."},
  {"title": "Fractal Design Ridge White - PCIe 4.0 Riser Card Included - 2X 140mm PWM Aspect Fans Included - Type C USB - m-ITX PC Gaming Case", "asin": "B0C2CRKPDC", "price": "$129.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Zalman i4 Airflow Full Mesh Mid Tower ATX Desktop PC Case, 6 x 120mm Quiet Fans Pre-Installed, Vertical GPU Mount & 360mm Radiator Support, White", "asin": "B0CVKR2CZ7", "price": "$74.95", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Micro ATX Case, MATX PC Case for ITX MATX Motherboard, 2X 120mm ARGB Fans Preinstalled, Tempered Glass, Magnetic Dust Filters, Fully Ventilated Airflow, Mini PC Case with USB3.0", "asin": "B0D4PN7YTH", "price": "$69.99", "delivery": "FREE delivery Sat, Apr 5"},
  {"title": "Black Micro-ATX PC case with Detachable Carrying Handle, 3Pack 120mm Fans preinstalled, Mini Tower Computer case with Cable Management, Small ITX Desktop pc Chassis Compatible with 240mm AIO", "asin": "B0D4VMQWHF", "price": "$119.99", "delivery": "FREE delivery Sun, Apr 6"},
  {"title": "CORSAIR 2500D AIRFLOW Small-Tower mATX Dual Chamber PC Case \u2013 Tempered Glass \u2013 Reverse Connection Motherboard Compatible \u2013 No Fans Included \u2013 Black", "asin": "B0CQ5G3NW9", "price": "$113.47", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Antec NX200 M, Micro-ATX Tower, Mini-Tower Computer Case with 120mm Rear Fan Pre-Installed, Mesh Design in Front Panel Ventilated Airflow, NX Series, Black, (CJ11132623)", "asin": "B094NK5M4M"},
  {"title": "Lian Li A3-mATX-26.3L Micro Form Factor Chassis-Flexible Power Supply Installation-No Fans Included-Supports 360mm AIO-Modularity Design-For M-ATX and ITX Motherboard-DAN Collaboration-White (\u200eA3W.US)", "asin": "B0D5HCYZXR", "price": "$84.99", "delivery": " Two-Day FREE delivery Fri, Apr 4 Only 14 left in stock - order soon."},
  {"title": "Antec C8 Wood, Fans not Included, Wooden Front Panel, Dual-Chamber Layout, Type-C, 360mm Radiator Support, Seamless TG Front & Side Panels, RTX 40 Compatible, Full-Tower E-ATX PC Case", "asin": "B0D7Z7TJFD", "price": "$129.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Lian Li O11 Vision Compact Black-Steel-Tempered Glass ATX Mid Tower Computer Case-Back Connect Support-O11VPX", "asin": "B0DJPV8XG3", "price": "$119.99", "delivery": "FREE delivery Wed, Apr 9 for Prime members"}]
  <|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": "2025-04-03T00:19:46.282Z", // 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|>
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-03T00:18:37.474Z", "action": "click", "action_argument": "nav_bar"}
  {"timestamp": "2025-04-03T00:18:53.155Z", "action": "click", "action_argument": "other"}
  {"timestamp": "2025-04-03T00:19:00.895Z", "action": "click", "action_argument": "suggested_term"}
  {"timestamp": "2025-04-03T00:19:14.292Z", "action": "click_product", "action_argument": "B0B99HTD3B"}
  {"timestamp": "2025-04-03T00:19:19.328Z", "action": "click", "action_argument": "product_option"}
  <|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": "asus ap201 case"}],
  "search_results": [{"title": "ASUS Prime AP201 33-Liter MicroATX Black case with Tool-Free Side Panels and a Quasi-Filter mesh, with Support for 360 mm Coolers, Graphics Cards up to 338 mm Long, and Standard ATX PSUs", "asin": "B0B99HTD3B", "price": "$79.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Lian Li A3-mATX-26.3L Micro Form Factor Chassis-Flexible Power Supply Installation-No Fans Included-Supports 360mm AIO-Modularity Design-For M-ATX and ITX Motherboard-DAN Collaboration-Black (\u200eA3X.US)", "asin": "B0D5GYY364", "price": "$77.90", "delivery": "FREE delivery Apr 8 - 11"},
  {"title": "ASUS Prime AP201 TG is a Stylish 33-Liter MicroATX case with Tool-Free Side Panels and a Quasi-Filter mesh, with Support for 360 mm Coolers, Graphics Cards up to 338 mm Long, Tempered Glass Panel", "asin": "B0BVKZ6P9C", "price": "$150.43", "delivery": "FREE delivery Fri, Apr 4 Only 1 left in stock - order soon."},
  {"title": "ASUS Prime AP201 is a stylish 33-liter MicroATX case with tool-free side panels and a quasi-filter mesh, with support for 360 mm coolers, graphics cards up to 338 mm long, and standard ATX PSUs", "asin": "B0B7F8C35R"},
  {"title": "ASUS Prime AP201, MicroATX, 33 Liters, Compatible with Radiators Up to 360mm, Can Hold Video Cards Up to 338mm, Mesh Panels, Toolless Opening, USB Type-C Front, White", "asin": "B0B7F717LJ"},
  {"title": "Cooler Master NR200 Mini-ITX PC Case, 330mm Horizontal Triple-Slot Mount GPU, 240mm|280mm AIO, SFX PSU 130mm, Compatible RX 7900 XTX|4080 Super, Vented Panels, DIY", "asin": "B08BFJ8V8C", "price": "$82.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "JONSBO/JONSPLUS Z20 Black Micro-ATX Mini Tower PC Case,with Detachable Carrying Handle, Mini Size, High-Performance Hardware Compatible, Support 240AIO, H160mm Cooler, Black", "asin": "B0CWQK3LMB", "price": "$104.95", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Thermaltake Core V21 SPCC Micro ATX, Mini ITX Cube Gaming Computer Case Chassis, Small Form Factor Builds, 200mm Front Fan Pre-installed, CA-1D5-00S1WN-00 Black", "asin": "B00PDDMN6S", "price": "$69.99", "delivery": "FREE delivery Sat, Apr 5 Only 14 left in stock - order soon."},
  {"title": "Montech X3 Mesh, 6 Fans - 3x 140mm & 3x 120mm Fixed RGB Lighting Fans, ATX Mid-Tower PC Gaming Case, USB3.0, Door Open Tempered Glass Side Panel, High Airflow, Black", "asin": "B09246FCTZ", "price": "$64.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "LIAN LI High Airflow Micro ATX PC Case, RGB Gaming Computer Case, Mesh Front Panel Mid-Tower Chassis with 2x140mm ARGB PWM Fans Pre-Installed, Tempered Glass Side Panel (LANCOOL 205M MESH, Black)", "asin": "B0B5TG9BP1", "price": "$149.95", "delivery": "FREE delivery Apr 8 - 11 Or fastest delivery Mon, Apr 7 Only 3 left in stock - order soon."},
  {"title": "Genuine Walnut Wood PC Case, Support 360mm Radiator on Top, Pre-Installed 4 x 120mm PWM Fans ATX Case, Type-C Port, Magnetic Tempered Glass Side Panel, Black Computer Case, Cypress 7", "asin": "B0D7BNK6CB", "price": "$95.53", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "matx case,itx case,High Airflow Micro ATX PC Case, Support MATX, Mini-ITX, Micro ATX case Slim with USB3.0x1 I/O Port, Black Without Fans", "asin": "B0CHPRKW18", "price": "$32.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 3"},
  {"title": "JONSBO C6 Black Mini MATX Mesh Case,Simple Compact Desktop Micro ATX Chassis,Upper Cover/Side Panel Tool-Free Open pc case, ATX Power Bite (L185mm Max.),Support 75mm CPU Cooler,GPU200-255mm", "asin": "B0C6JQ63HN", "price": "$62.00", "delivery": "FREE delivery Tue, Apr 8 for Prime members Only 6 left in stock - order soon."},
  {"title": "Fractal Design Ridge White - PCIe 4.0 Riser Card Included - 2X 140mm PWM Aspect Fans Included - Type C USB - m-ITX PC Gaming Case", "asin": "B0C2CRKPDC", "price": "$129.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Zalman i4 Airflow Full Mesh Mid Tower ATX Desktop PC Case, 6 x 120mm Quiet Fans Pre-Installed, Vertical GPU Mount & 360mm Radiator Support, White", "asin": "B0CVKR2CZ7", "price": "$74.95", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Micro ATX Case, MATX PC Case for ITX MATX Motherboard, 2X 120mm ARGB Fans Preinstalled, Tempered Glass, Magnetic Dust Filters, Fully Ventilated Airflow, Mini PC Case with USB3.0", "asin": "B0D4PN7YTH", "price": "$69.99", "delivery": "FREE delivery Sat, Apr 5"},
  {"title": "Black Micro-ATX PC case with Detachable Carrying Handle, 3Pack 120mm Fans preinstalled, Mini Tower Computer case with Cable Management, Small ITX Desktop pc Chassis Compatible with 240mm AIO", "asin": "B0D4VMQWHF", "price": "$119.99", "delivery": "FREE delivery Sun, Apr 6"},
  {"title": "CORSAIR 2500D AIRFLOW Small-Tower mATX Dual Chamber PC Case \u2013 Tempered Glass \u2013 Reverse Connection Motherboard Compatible \u2013 No Fans Included \u2013 Black", "asin": "B0CQ5G3NW9", "price": "$113.47", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Antec NX200 M, Micro-ATX Tower, Mini-Tower Computer Case with 120mm Rear Fan Pre-Installed, Mesh Design in Front Panel Ventilated Airflow, NX Series, Black, (CJ11132623)", "asin": "B094NK5M4M"},
  {"title": "Lian Li A3-mATX-26.3L Micro Form Factor Chassis-Flexible Power Supply Installation-No Fans Included-Supports 360mm AIO-Modularity Design-For M-ATX and ITX Motherboard-DAN Collaboration-White (\u200eA3W.US)", "asin": "B0D5HCYZXR", "price": "$84.99", "delivery": " Two-Day FREE delivery Fri, Apr 4 Only 14 left in stock - order soon."},
  {"title": "Antec C8 Wood, Fans not Included, Wooden Front Panel, Dual-Chamber Layout, Type-C, 360mm Radiator Support, Seamless TG Front & Side Panels, RTX 40 Compatible, Full-Tower E-ATX PC Case", "asin": "B0D7Z7TJFD", "price": "$129.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Lian Li O11 Vision Compact Black-Steel-Tempered Glass ATX Mid Tower Computer Case-Back Connect Support-O11VPX", "asin": "B0DJPV8XG3", "price": "$119.99", "delivery": "FREE delivery Wed, Apr 9 for Prime members"}]
  <|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": "2025-04-03T00:19:46.282Z", // 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|>
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-03T00:18:37.474Z", "action": "click", "action_argument": "nav_bar"}
  {"timestamp": "2025-04-03T00:18:53.155Z", "action": "click", "action_argument": "other"}
  {"timestamp": "2025-04-03T00:19:00.895Z", "action": "click", "action_argument": "suggested_term"}
  {"timestamp": "2025-04-03T00:19:14.292Z", "action": "click_product", "action_argument": "B0B99HTD3B"}
  {"timestamp": "2025-04-03T00:19:19.328Z", "action": "click", "action_argument": "product_option"}
  <|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": "asus ap201 case"}],
  "search_results": [{"title": "ASUS Prime AP201 33-Liter MicroATX Black case with Tool-Free Side Panels and a Quasi-Filter mesh, with Support for 360 mm Coolers, Graphics Cards up to 338 mm Long, and Standard ATX PSUs", "asin": "B0B99HTD3B", "price": "$79.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Lian Li A3-mATX-26.3L Micro Form Factor Chassis-Flexible Power Supply Installation-No Fans Included-Supports 360mm AIO-Modularity Design-For M-ATX and ITX Motherboard-DAN Collaboration-Black (\u200eA3X.US)", "asin": "B0D5GYY364", "price": "$77.90", "delivery": "FREE delivery Apr 8 - 11"},
  {"title": "ASUS Prime AP201 TG is a Stylish 33-Liter MicroATX case with Tool-Free Side Panels and a Quasi-Filter mesh, with Support for 360 mm Coolers, Graphics Cards up to 338 mm Long, Tempered Glass Panel", "asin": "B0BVKZ6P9C", "price": "$150.43", "delivery": "FREE delivery Fri, Apr 4 Only 1 left in stock - order soon."},
  {"title": "ASUS Prime AP201 is a stylish 33-liter MicroATX case with tool-free side panels and a quasi-filter mesh, with support for 360 mm coolers, graphics cards up to 338 mm long, and standard ATX PSUs", "asin": "B0B7F8C35R"},
  {"title": "ASUS Prime AP201, MicroATX, 33 Liters, Compatible with Radiators Up to 360mm, Can Hold Video Cards Up to 338mm, Mesh Panels, Toolless Opening, USB Type-C Front, White", "asin": "B0B7F717LJ"},
  {"title": "Cooler Master NR200 Mini-ITX PC Case, 330mm Horizontal Triple-Slot Mount GPU, 240mm|280mm AIO, SFX PSU 130mm, Compatible RX 7900 XTX|4080 Super, Vented Panels, DIY", "asin": "B08BFJ8V8C", "price": "$82.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "JONSBO/JONSPLUS Z20 Black Micro-ATX Mini Tower PC Case,with Detachable Carrying Handle, Mini Size, High-Performance Hardware Compatible, Support 240AIO, H160mm Cooler, Black", "asin": "B0CWQK3LMB", "price": "$104.95", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Thermaltake Core V21 SPCC Micro ATX, Mini ITX Cube Gaming Computer Case Chassis, Small Form Factor Builds, 200mm Front Fan Pre-installed, CA-1D5-00S1WN-00 Black", "asin": "B00PDDMN6S", "price": "$69.99", "delivery": "FREE delivery Sat, Apr 5 Only 14 left in stock - order soon."},
  {"title": "Montech X3 Mesh, 6 Fans - 3x 140mm & 3x 120mm Fixed RGB Lighting Fans, ATX Mid-Tower PC Gaming Case, USB3.0, Door Open Tempered Glass Side Panel, High Airflow, Black", "asin": "B09246FCTZ", "price": "$64.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "LIAN LI High Airflow Micro ATX PC Case, RGB Gaming Computer Case, Mesh Front Panel Mid-Tower Chassis with 2x140mm ARGB PWM Fans Pre-Installed, Tempered Glass Side Panel (LANCOOL 205M MESH, Black)", "asin": "B0B5TG9BP1", "price": "$149.95", "delivery": "FREE delivery Apr 8 - 11 Or fastest delivery Mon, Apr 7 Only 3 left in stock - order soon."},
  {"title": "Genuine Walnut Wood PC Case, Support 360mm Radiator on Top, Pre-Installed 4 x 120mm PWM Fans ATX Case, Type-C Port, Magnetic Tempered Glass Side Panel, Black Computer Case, Cypress 7", "asin": "B0D7BNK6CB", "price": "$95.53", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "matx case,itx case,High Airflow Micro ATX PC Case, Support MATX, Mini-ITX, Micro ATX case Slim with USB3.0x1 I/O Port, Black Without Fans", "asin": "B0CHPRKW18", "price": "$32.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 3"},
  {"title": "JONSBO C6 Black Mini MATX Mesh Case,Simple Compact Desktop Micro ATX Chassis,Upper Cover/Side Panel Tool-Free Open pc case, ATX Power Bite (L185mm Max.),Support 75mm CPU Cooler,GPU200-255mm", "asin": "B0C6JQ63HN", "price": "$62.00", "delivery": "FREE delivery Tue, Apr 8 for Prime members Only 6 left in stock - order soon."},
  {"title": "Fractal Design Ridge White - PCIe 4.0 Riser Card Included - 2X 140mm PWM Aspect Fans Included - Type C USB - m-ITX PC Gaming Case", "asin": "B0C2CRKPDC", "price": "$129.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Zalman i4 Airflow Full Mesh Mid Tower ATX Desktop PC Case, 6 x 120mm Quiet Fans Pre-Installed, Vertical GPU Mount & 360mm Radiator Support, White", "asin": "B0CVKR2CZ7", "price": "$74.95", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Micro ATX Case, MATX PC Case for ITX MATX Motherboard, 2X 120mm ARGB Fans Preinstalled, Tempered Glass, Magnetic Dust Filters, Fully Ventilated Airflow, Mini PC Case with USB3.0", "asin": "B0D4PN7YTH", "price": "$69.99", "delivery": "FREE delivery Sat, Apr 5"},
  {"title": "Black Micro-ATX PC case with Detachable Carrying Handle, 3Pack 120mm Fans preinstalled, Mini Tower Computer case with Cable Management, Small ITX Desktop pc Chassis Compatible with 240mm AIO", "asin": "B0D4VMQWHF", "price": "$119.99", "delivery": "FREE delivery Sun, Apr 6"},
  {"title": "CORSAIR 2500D AIRFLOW Small-Tower mATX Dual Chamber PC Case \u2013 Tempered Glass \u2013 Reverse Connection Motherboard Compatible \u2013 No Fans Included \u2013 Black", "asin": "B0CQ5G3NW9", "price": "$113.47", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Antec NX200 M, Micro-ATX Tower, Mini-Tower Computer Case with 120mm Rear Fan Pre-Installed, Mesh Design in Front Panel Ventilated Airflow, NX Series, Black, (CJ11132623)", "asin": "B094NK5M4M"},
  {"title": "Lian Li A3-mATX-26.3L Micro Form Factor Chassis-Flexible Power Supply Installation-No Fans Included-Supports 360mm AIO-Modularity Design-For M-ATX and ITX Motherboard-DAN Collaboration-White (\u200eA3W.US)", "asin": "B0D5HCYZXR", "price": "$84.99", "delivery": " Two-Day FREE delivery Fri, Apr 4 Only 14 left in stock - order soon."},
  {"title": "Antec C8 Wood, Fans not Included, Wooden Front Panel, Dual-Chamber Layout, Type-C, 360mm Radiator Support, Seamless TG Front & Side Panels, RTX 40 Compatible, Full-Tower E-ATX PC Case", "asin": "B0D7Z7TJFD", "price": "$129.99", "delivery": " Two-Day FREE delivery Fri, Apr 4"},
  {"title": "Lian Li O11 Vision Compact Black-Steel-Tempered Glass ATX Mid Tower Computer Case-Back Connect Support-O11VPX", "asin": "B0DJPV8XG3", "price": "$119.99", "delivery": "FREE delivery Wed, Apr 9 for Prime members"}]
  <|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": "2025-04-03T00:19:46.282Z", // 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>
  