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": "2025-04-14T21:52:57.792Z", "action": "click_product", "action_argument": "B01L9SD3K0"}
  {"timestamp": "2025-04-14T21:55:17.173Z", "action": "click_product", "action_argument": "B0838SMXFZ"}
  {"timestamp": "2025-04-22T03:46:35.308Z", "action": "click", "action_argument": "nav_bar"}
  {"timestamp": "2025-04-22T03:48:25.825Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:28.616Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:30.240Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:31.498Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:33.342Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T04:05:41.640Z", "action": "purchase", "action_argument": "B07HFHWNPH"}
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-22T04:08:22.290Z", "action": "click", "action_argument": "nav_bar"}
  <|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": ""}],
  "promotion_items": [{"title": "La Roche-Posay Anthelios Kids Gentle Lotion Sunscreen SPF 50, Broad Spectrum SPF + Antioxidants, Sunscreen For Kids, Octinoxate & Oxybenzone-Free, Pediatrician Tested, Non Comedogenic, Oil Free", "asin": "B0BMDG8BHX", "price": "$32.99", "quantity": ""},
  {"title": "La Roche-Posay Anthelios Clear Skin Sunscreen Dry Touch SPF 60, Oil Free Sunscreen For Face, Oil Absorbing, Broad Spectrum SPF + Antioxidants, Non-Greasy, Oxybenzone Free, Travel Size", "asin": "B01A0NT3D6", "price": "$17.99", "quantity": ""},
  {"title": "Neutrogena Ultra Sheer Face Liquid Mineral Sunscreen, Lightweight, Broad Spectrum SPF 70 Facial Sunscreen for Sensitive Skin Leaves a Silky, Non-Greasy Finish, Oxybenzone-Free, 1.4 fl. oz", "asin": "/promo/A2DORR75ODDLPG", "price": "$14.88", "quantity": ""},
  {"title": "Sun Bum Daily SPF 50 Sunscreen Body Lotion - Broad Spectrum Moisturizing Sunscreen with Vitamin E - Vegan and Hawaii 104 Act Compliant (Without Octinoxate & Oxybenzone) - Dermatologist Tested - 8 oz", "asin": "B0CNKXCL4X", "price": "$23.46", "quantity": ""},
  {"title": "Neutrogena Clear Body SPF 50 Sunscreen Spray, Non-Greasy, Broad Spectrum Full Body Sunscreen Ideal for Oily Skin Moisturizes & Cools, Non-Comedogenic Spray Sunscreen, Oxybenzone-Free, 5 oz", "asin": "/promo/AAYFGG9ZNAXSR", "price": "$12.97", "quantity": ""},
  {"title": "Neutrogena Ultra Sheer Dry Touch SPF 50 Mineral Sunscreen Stick for Sensitive Skin, Zinc Oxide, Body & Face Sunscreen with Vitamin E, No White Residue & Vegan, 1.5 oz", "asin": "B09MV4618C", "price": "$13.76", "quantity": ""},
  {"title": "Neutrogena Ultra Sheer Body Mist Sunscreen Spray, Broad Spectrum SPF 70, Lightweight Spray Sunscreen, Non-Greasy & Water Resistant, Oil-Free & Non-Comedogenic UVA/UVB, 5 oz, Pack of 3", "asin": "B076GZX3KL", "price": "$26.64", "quantity": ""},
  {"title": "Neutrogena Sport Active Defense SPF 70 Sunscreen Spray, Sweat & Water Resistant Spray Sunscreen with Broad Spectrum Protection for Sunburn Prevention, Oxybenzone-Free, Twin Pack, 5 oz, 2 Pack", "asin": "/promo/ATC703ZJ30NOA", "price": "$25.76", "quantity": ""},
  {"title": "La Roche-Posay Toleriane Double Repair Face Moisturizer, Daily Moisturizer Face Cream with Ceramide and Niacinamide for All Skin Types, Oil Free, Fragrance Free", "asin": "B01N9SPQHQ", "price": "$21.99", "quantity": ""},
  {"title": "CeraVe Moisturizing Cream, Body and Face Moisturizer for Dry Skin, Body Cream with Hyaluronic Acid and Ceramides, Daily Moisturizer, Oil-Free, Fragrance Free, Non-Comedogenic, 19 Ounce", "asin": "B00TTD9BRC", "price": "$14.83", "quantity": ""},
  {"title": "CeraVe PM Facial Moisturizing Lotion, Night Cream with Hyaluronic Acid and Niacinamide, Ultra-Lightweight, Oil-Free Moisturizer for Face, 3 Ounce", "asin": "B00365DABC", "price": "$12.89", "quantity": ""},
  {"title": "CeraVe AM Facial Moisturizing Lotion with SPF 30, Oil-Free Face Moisturizer with SPF, Formulated with Hyaluronic Acid, Niacinamide & Ceramides, Non-Comedogenic, Broad Spectrum Sunscreen, 3 Ounce", "asin": "B00F97FHAW", "price": "$12.89", "quantity": ""},
  {"title": "The Ordinary Niacinamide 10% + Zinc 1%, Smoothing Serum for Blemish-Prone Skin", "asin": "B01MDTVZTZ", "price": "$6.00", "quantity": ""},
  {"title": "CeraVe Resurfacing Retinol Serum For Post Acne Marks, Formulated With Licorice Root Extract & Niacinamide, Brightening Serum & Pore Minimizer For Face, Post Acne Skin Barrier Repair, Non-Comedogenic", "asin": "B07VWSN95S", "price": "$15.69", "quantity": ""}],
  "active_items": [{"title": "Neutrogena Clear Face Sunscreen Lotion for Acne-Prone Skin, Broad Spectrum SPF 50 Facial Sunscreen for Oily Skin, Oil-, Fragrance- & Oxybenzone-Free Water Resistant Sunscreen, 3 fl. oz", "asin": "B08L88LZ4V", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "1", "selected": true, "options": [{"Size": "3 Fl Oz (Pack of 1)"}, {"Style": "SPF 50"}]},
  {"title": "Neutrogena Sport Face Sunscreen SPF 70+, Oil-Free, 2.5 fl oz, Sweat & Water-Resistant, Broad-Spectrum UVA/UVB, Nourish & Restore Skin Balance, Oxybenzone Free Sunscreen For Face", "asin": "B001P92FMG", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "2", "selected": true, "options": []},
  {"title": "La Roche-Posay Anthelios Melt-In Milk Sunscreen SPF 60, Sunscreen For Body & Face, Broad Spectrum SPF + Antioxidants, Oil Free, Lightweight & Fast Absorbing, Oxybenzone Free", "asin": "B07HFHWNPH", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "1", "selected": true, "options": [{"Size": "3 Fl Oz (Pack of 1)"}]},
  {"title": "CeraVe Hydrating Mineral Sunscreen SPF 30 with Sheer Tint, Tinted Mineral Sunscreen with Zinc Oxide & Titanium Dioxide, Blends Seamlessly For Healthy Glow, Medium, 1.7 Fluid Ounce", "asin": "B07YLKXV11", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "1", "selected": true, "options": [{"Color": "Medium"}]}],
  "saved_items": [{"title": "Jellycat Snow Dragon Stuffed Animal, Huge 26 inches - Mythical Plush Toy - Classic Children's Gift", "asin": "B09D9PLCDW", "options": []},
  {"title": "Ferrous Sulfate Heptahydrate - FeSO4*7H2O - 20% Iron - Very Soluble - 1 Pound", "asin": "B007ODUI76", "options": []},
  {"title": "Jellycat Snow Dragon Stuffed Animal, Large 19.5 inches - Mythical Plush Toy - Classic Children's Gift", "asin": "B08C4Y3BCD", "options": [{"Size": "Large"}]}]
  <|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": "2025-04-22T04:13:48.979Z", // 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": "2025-04-14T21:52:57.792Z", "action": "click_product", "action_argument": "B01L9SD3K0"}
  {"timestamp": "2025-04-14T21:55:17.173Z", "action": "click_product", "action_argument": "B0838SMXFZ"}
  {"timestamp": "2025-04-22T03:46:35.308Z", "action": "click", "action_argument": "nav_bar"}
  {"timestamp": "2025-04-22T03:48:25.825Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:28.616Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:30.240Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:31.498Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:33.342Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T04:05:41.640Z", "action": "purchase", "action_argument": "B07HFHWNPH"}
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-22T04:08:22.290Z", "action": "click", "action_argument": "nav_bar"}
  <|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": ""}],
  "promotion_items": [{"title": "La Roche-Posay Anthelios Kids Gentle Lotion Sunscreen SPF 50, Broad Spectrum SPF + Antioxidants, Sunscreen For Kids, Octinoxate & Oxybenzone-Free, Pediatrician Tested, Non Comedogenic, Oil Free", "asin": "B0BMDG8BHX", "price": "$32.99", "quantity": ""},
  {"title": "La Roche-Posay Anthelios Clear Skin Sunscreen Dry Touch SPF 60, Oil Free Sunscreen For Face, Oil Absorbing, Broad Spectrum SPF + Antioxidants, Non-Greasy, Oxybenzone Free, Travel Size", "asin": "B01A0NT3D6", "price": "$17.99", "quantity": ""},
  {"title": "Neutrogena Ultra Sheer Face Liquid Mineral Sunscreen, Lightweight, Broad Spectrum SPF 70 Facial Sunscreen for Sensitive Skin Leaves a Silky, Non-Greasy Finish, Oxybenzone-Free, 1.4 fl. oz", "asin": "/promo/A2DORR75ODDLPG", "price": "$14.88", "quantity": ""},
  {"title": "Sun Bum Daily SPF 50 Sunscreen Body Lotion - Broad Spectrum Moisturizing Sunscreen with Vitamin E - Vegan and Hawaii 104 Act Compliant (Without Octinoxate & Oxybenzone) - Dermatologist Tested - 8 oz", "asin": "B0CNKXCL4X", "price": "$23.46", "quantity": ""},
  {"title": "Neutrogena Clear Body SPF 50 Sunscreen Spray, Non-Greasy, Broad Spectrum Full Body Sunscreen Ideal for Oily Skin Moisturizes & Cools, Non-Comedogenic Spray Sunscreen, Oxybenzone-Free, 5 oz", "asin": "/promo/AAYFGG9ZNAXSR", "price": "$12.97", "quantity": ""},
  {"title": "Neutrogena Ultra Sheer Dry Touch SPF 50 Mineral Sunscreen Stick for Sensitive Skin, Zinc Oxide, Body & Face Sunscreen with Vitamin E, No White Residue & Vegan, 1.5 oz", "asin": "B09MV4618C", "price": "$13.76", "quantity": ""},
  {"title": "Neutrogena Ultra Sheer Body Mist Sunscreen Spray, Broad Spectrum SPF 70, Lightweight Spray Sunscreen, Non-Greasy & Water Resistant, Oil-Free & Non-Comedogenic UVA/UVB, 5 oz, Pack of 3", "asin": "B076GZX3KL", "price": "$26.64", "quantity": ""},
  {"title": "Neutrogena Sport Active Defense SPF 70 Sunscreen Spray, Sweat & Water Resistant Spray Sunscreen with Broad Spectrum Protection for Sunburn Prevention, Oxybenzone-Free, Twin Pack, 5 oz, 2 Pack", "asin": "/promo/ATC703ZJ30NOA", "price": "$25.76", "quantity": ""},
  {"title": "La Roche-Posay Toleriane Double Repair Face Moisturizer, Daily Moisturizer Face Cream with Ceramide and Niacinamide for All Skin Types, Oil Free, Fragrance Free", "asin": "B01N9SPQHQ", "price": "$21.99", "quantity": ""},
  {"title": "CeraVe Moisturizing Cream, Body and Face Moisturizer for Dry Skin, Body Cream with Hyaluronic Acid and Ceramides, Daily Moisturizer, Oil-Free, Fragrance Free, Non-Comedogenic, 19 Ounce", "asin": "B00TTD9BRC", "price": "$14.83", "quantity": ""},
  {"title": "CeraVe PM Facial Moisturizing Lotion, Night Cream with Hyaluronic Acid and Niacinamide, Ultra-Lightweight, Oil-Free Moisturizer for Face, 3 Ounce", "asin": "B00365DABC", "price": "$12.89", "quantity": ""},
  {"title": "CeraVe AM Facial Moisturizing Lotion with SPF 30, Oil-Free Face Moisturizer with SPF, Formulated with Hyaluronic Acid, Niacinamide & Ceramides, Non-Comedogenic, Broad Spectrum Sunscreen, 3 Ounce", "asin": "B00F97FHAW", "price": "$12.89", "quantity": ""},
  {"title": "The Ordinary Niacinamide 10% + Zinc 1%, Smoothing Serum for Blemish-Prone Skin", "asin": "B01MDTVZTZ", "price": "$6.00", "quantity": ""},
  {"title": "CeraVe Resurfacing Retinol Serum For Post Acne Marks, Formulated With Licorice Root Extract & Niacinamide, Brightening Serum & Pore Minimizer For Face, Post Acne Skin Barrier Repair, Non-Comedogenic", "asin": "B07VWSN95S", "price": "$15.69", "quantity": ""}],
  "active_items": [{"title": "Neutrogena Clear Face Sunscreen Lotion for Acne-Prone Skin, Broad Spectrum SPF 50 Facial Sunscreen for Oily Skin, Oil-, Fragrance- & Oxybenzone-Free Water Resistant Sunscreen, 3 fl. oz", "asin": "B08L88LZ4V", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "1", "selected": true, "options": [{"Size": "3 Fl Oz (Pack of 1)"}, {"Style": "SPF 50"}]},
  {"title": "Neutrogena Sport Face Sunscreen SPF 70+, Oil-Free, 2.5 fl oz, Sweat & Water-Resistant, Broad-Spectrum UVA/UVB, Nourish & Restore Skin Balance, Oxybenzone Free Sunscreen For Face", "asin": "B001P92FMG", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "2", "selected": true, "options": []},
  {"title": "La Roche-Posay Anthelios Melt-In Milk Sunscreen SPF 60, Sunscreen For Body & Face, Broad Spectrum SPF + Antioxidants, Oil Free, Lightweight & Fast Absorbing, Oxybenzone Free", "asin": "B07HFHWNPH", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "1", "selected": true, "options": [{"Size": "3 Fl Oz (Pack of 1)"}]},
  {"title": "CeraVe Hydrating Mineral Sunscreen SPF 30 with Sheer Tint, Tinted Mineral Sunscreen with Zinc Oxide & Titanium Dioxide, Blends Seamlessly For Healthy Glow, Medium, 1.7 Fluid Ounce", "asin": "B07YLKXV11", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "1", "selected": true, "options": [{"Color": "Medium"}]}],
  "saved_items": [{"title": "Jellycat Snow Dragon Stuffed Animal, Huge 26 inches - Mythical Plush Toy - Classic Children's Gift", "asin": "B09D9PLCDW", "options": []},
  {"title": "Ferrous Sulfate Heptahydrate - FeSO4*7H2O - 20% Iron - Very Soluble - 1 Pound", "asin": "B007ODUI76", "options": []},
  {"title": "Jellycat Snow Dragon Stuffed Animal, Large 19.5 inches - Mythical Plush Toy - Classic Children's Gift", "asin": "B08C4Y3BCD", "options": [{"Size": "Large"}]}]
  <|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": "2025-04-22T04:13:48.979Z", // 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": "2025-04-14T21:52:57.792Z", "action": "click_product", "action_argument": "B01L9SD3K0"}
  {"timestamp": "2025-04-14T21:55:17.173Z", "action": "click_product", "action_argument": "B0838SMXFZ"}
  {"timestamp": "2025-04-22T03:46:35.308Z", "action": "click", "action_argument": "nav_bar"}
  {"timestamp": "2025-04-22T03:48:25.825Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:28.616Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:30.240Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:31.498Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T03:48:33.342Z", "action": "click", "action_argument": "quantity"}
  {"timestamp": "2025-04-22T04:05:41.640Z", "action": "purchase", "action_argument": "B07HFHWNPH"}
  <|memory_end|>
  
  <|action_start|>
  {"timestamp": "2025-04-22T04:08:22.290Z", "action": "click", "action_argument": "nav_bar"}
  <|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": ""}],
  "promotion_items": [{"title": "La Roche-Posay Anthelios Kids Gentle Lotion Sunscreen SPF 50, Broad Spectrum SPF + Antioxidants, Sunscreen For Kids, Octinoxate & Oxybenzone-Free, Pediatrician Tested, Non Comedogenic, Oil Free", "asin": "B0BMDG8BHX", "price": "$32.99", "quantity": ""},
  {"title": "La Roche-Posay Anthelios Clear Skin Sunscreen Dry Touch SPF 60, Oil Free Sunscreen For Face, Oil Absorbing, Broad Spectrum SPF + Antioxidants, Non-Greasy, Oxybenzone Free, Travel Size", "asin": "B01A0NT3D6", "price": "$17.99", "quantity": ""},
  {"title": "Neutrogena Ultra Sheer Face Liquid Mineral Sunscreen, Lightweight, Broad Spectrum SPF 70 Facial Sunscreen for Sensitive Skin Leaves a Silky, Non-Greasy Finish, Oxybenzone-Free, 1.4 fl. oz", "asin": "/promo/A2DORR75ODDLPG", "price": "$14.88", "quantity": ""},
  {"title": "Sun Bum Daily SPF 50 Sunscreen Body Lotion - Broad Spectrum Moisturizing Sunscreen with Vitamin E - Vegan and Hawaii 104 Act Compliant (Without Octinoxate & Oxybenzone) - Dermatologist Tested - 8 oz", "asin": "B0CNKXCL4X", "price": "$23.46", "quantity": ""},
  {"title": "Neutrogena Clear Body SPF 50 Sunscreen Spray, Non-Greasy, Broad Spectrum Full Body Sunscreen Ideal for Oily Skin Moisturizes & Cools, Non-Comedogenic Spray Sunscreen, Oxybenzone-Free, 5 oz", "asin": "/promo/AAYFGG9ZNAXSR", "price": "$12.97", "quantity": ""},
  {"title": "Neutrogena Ultra Sheer Dry Touch SPF 50 Mineral Sunscreen Stick for Sensitive Skin, Zinc Oxide, Body & Face Sunscreen with Vitamin E, No White Residue & Vegan, 1.5 oz", "asin": "B09MV4618C", "price": "$13.76", "quantity": ""},
  {"title": "Neutrogena Ultra Sheer Body Mist Sunscreen Spray, Broad Spectrum SPF 70, Lightweight Spray Sunscreen, Non-Greasy & Water Resistant, Oil-Free & Non-Comedogenic UVA/UVB, 5 oz, Pack of 3", "asin": "B076GZX3KL", "price": "$26.64", "quantity": ""},
  {"title": "Neutrogena Sport Active Defense SPF 70 Sunscreen Spray, Sweat & Water Resistant Spray Sunscreen with Broad Spectrum Protection for Sunburn Prevention, Oxybenzone-Free, Twin Pack, 5 oz, 2 Pack", "asin": "/promo/ATC703ZJ30NOA", "price": "$25.76", "quantity": ""},
  {"title": "La Roche-Posay Toleriane Double Repair Face Moisturizer, Daily Moisturizer Face Cream with Ceramide and Niacinamide for All Skin Types, Oil Free, Fragrance Free", "asin": "B01N9SPQHQ", "price": "$21.99", "quantity": ""},
  {"title": "CeraVe Moisturizing Cream, Body and Face Moisturizer for Dry Skin, Body Cream with Hyaluronic Acid and Ceramides, Daily Moisturizer, Oil-Free, Fragrance Free, Non-Comedogenic, 19 Ounce", "asin": "B00TTD9BRC", "price": "$14.83", "quantity": ""},
  {"title": "CeraVe PM Facial Moisturizing Lotion, Night Cream with Hyaluronic Acid and Niacinamide, Ultra-Lightweight, Oil-Free Moisturizer for Face, 3 Ounce", "asin": "B00365DABC", "price": "$12.89", "quantity": ""},
  {"title": "CeraVe AM Facial Moisturizing Lotion with SPF 30, Oil-Free Face Moisturizer with SPF, Formulated with Hyaluronic Acid, Niacinamide & Ceramides, Non-Comedogenic, Broad Spectrum Sunscreen, 3 Ounce", "asin": "B00F97FHAW", "price": "$12.89", "quantity": ""},
  {"title": "The Ordinary Niacinamide 10% + Zinc 1%, Smoothing Serum for Blemish-Prone Skin", "asin": "B01MDTVZTZ", "price": "$6.00", "quantity": ""},
  {"title": "CeraVe Resurfacing Retinol Serum For Post Acne Marks, Formulated With Licorice Root Extract & Niacinamide, Brightening Serum & Pore Minimizer For Face, Post Acne Skin Barrier Repair, Non-Comedogenic", "asin": "B07VWSN95S", "price": "$15.69", "quantity": ""}],
  "active_items": [{"title": "Neutrogena Clear Face Sunscreen Lotion for Acne-Prone Skin, Broad Spectrum SPF 50 Facial Sunscreen for Oily Skin, Oil-, Fragrance- & Oxybenzone-Free Water Resistant Sunscreen, 3 fl. oz", "asin": "B08L88LZ4V", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "1", "selected": true, "options": [{"Size": "3 Fl Oz (Pack of 1)"}, {"Style": "SPF 50"}]},
  {"title": "Neutrogena Sport Face Sunscreen SPF 70+, Oil-Free, 2.5 fl oz, Sweat & Water-Resistant, Broad-Spectrum UVA/UVB, Nourish & Restore Skin Balance, Oxybenzone Free Sunscreen For Face", "asin": "B001P92FMG", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "2", "selected": true, "options": []},
  {"title": "La Roche-Posay Anthelios Melt-In Milk Sunscreen SPF 60, Sunscreen For Body & Face, Broad Spectrum SPF + Antioxidants, Oil Free, Lightweight & Fast Absorbing, Oxybenzone Free", "asin": "B07HFHWNPH", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "1", "selected": true, "options": [{"Size": "3 Fl Oz (Pack of 1)"}]},
  {"title": "CeraVe Hydrating Mineral Sunscreen SPF 30 with Sheer Tint, Tinted Mineral Sunscreen with Zinc Oxide & Titanium Dioxide, Blends Seamlessly For Healthy Glow, Medium, 1.7 Fluid Ounce", "asin": "B07YLKXV11", "delivery": "Same-Day FREE delivery Today 7\u202fAM - 11\u202fAM FREE Returns", "quantity": "1", "selected": true, "options": [{"Color": "Medium"}]}],
  "saved_items": [{"title": "Jellycat Snow Dragon Stuffed Animal, Huge 26 inches - Mythical Plush Toy - Classic Children's Gift", "asin": "B09D9PLCDW", "options": []},
  {"title": "Ferrous Sulfate Heptahydrate - FeSO4*7H2O - 20% Iron - Very Soluble - 1 Pound", "asin": "B007ODUI76", "options": []},
  {"title": "Jellycat Snow Dragon Stuffed Animal, Large 19.5 inches - Mythical Plush Toy - Classic Children's Gift", "asin": "B08C4Y3BCD", "options": [{"Size": "Large"}]}]
  <|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": "2025-04-22T04:13:48.979Z", // 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>
  