<|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": "2025-04-03T01:06:31.719Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-03T01:06:36.176Z", "action": "click_product", "action_argument": "B0CMQZ2HFJ"}
{"timestamp": "2025-04-03T01:06:46.589Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:06:53.317Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:06:55.971Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:06:59.511Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:07:35.819Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:07:42.855Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:12.385Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:25.056Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:28.535Z", "action": "purchase", "action_argument": "B0DBZ3JYRF"}
{"timestamp": "2025-04-03T01:08:33.297Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:40.408Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:45.088Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:09:12.992Z", "action": "purchase", "action_argument": "B0D418HHPL"}
{"timestamp": "2025-04-03T21:01:16.883Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-03T21:01:48.059Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-10T16:48:03.168Z", "action": "input", "action_argument": "Specialized Flashback Bicycle Tail Light"}
{"timestamp": "2025-04-10T16:49:40.256Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-10T20:22:03.308Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-10T20:22:28.693Z", "action": "click_product", "action_argument": "B0DJFQB41P"}
{"timestamp": "2025-04-10T20:22:58.638Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-10T20:23:03.709Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:05.344Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:25.478Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:30.679Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:33.320Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:36.445Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:39.623Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:54.549Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:24:40.619Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-10T20:24:48.903Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-10T20:24:59.251Z", "action": "purchase", "action_argument": "B0DH7PNPPM"}
{"timestamp": "2025-04-10T20:25:06.552Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-10T20:25:18.663Z", "action": "click", "action_argument": "quantity"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-11T22:32:25.395Z", "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": "rx400"}],
"cart_items": [{"title": "Lumiere & Co. Maximus Large Magnetic Bike Seat Bag \u2013 Quick-Attach Saddle Bag with AquaGuard Zippers, Secure Under-Seat Storage for Cycling Gear & Accessories", "asin": "B0DH7PNPPM", "price": "$26.45", "quantity": "1"},
{"title": "Airkeep Car Air Freshener -Ocean Mist&Sea Salt Handmade Scented Ceramic for Drawers and Closets, Air Freshener Gifts for Men Women Car Fragrance", "asin": "B0D418HHPL", "price": "$3.99", "quantity": "1"},
{"title": "Airkeep Car Air Freshener - White Jasmine Handmade Scented Ceramic for Drawers and Closets, Car Air Freshener Gifts for Men Women Car Fragrance", "asin": "B0DBZ3JYRF", "price": "$5.99", "quantity": "1"},
{"title": "Airkeep Car Air Freshener - Ocean Mist&Sea Salt Handmade Scented Ceramic for Drawers and Closets,Air Freshener Gifts for Men Women Car Fragrance", "asin": "B0CMQZ2HFJ", "price": "$5.99", "quantity": "1"},
{"title": "Lamicall Bike Frame Bag Waterproof - [1s Release] [2 in 1] Bike Phone Bag, Bike Phone Holder Mount, Bicycle Top Tube Bag, Cycling Pouch with Rain Cover, Bike Accessories for Phones Under 7\"", "asin": "B0D9GQMXBV", "price": "$19.99", "quantity": "1"},
{"title": "Lumiere & Co. Bike Handlebar Bag, Bike Bag, Bicycle Handlebar Bag, Bike Front Bag, Mountain Bike Storage, Bicycle Accessories, Handlebar Bags, Small Bike Bag, Road Bike Bag (Black, Large)", "asin": "B0CLKPNDKL", "price": "$31.21", "quantity": "1"},
{"title": "Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security for Bicycles E-Bikes Scooters", "asin": "B06XCH21YH", "price": "$109.00", "quantity": "1"},
{"title": "ATTITUDE Hair Shampoo for Sensitive Dry Scalp, EWG Verified, Soothing Oat, For Thin Hair, Naturally Derived Ingredients, Vegan and Plant-Based, Volume and Shine, Unscented, 16 Fl Oz", "asin": "B07NF994VJ", "price": "$14.24", "quantity": "1"}],
"product_details": [{"asin": "B07XRBL9QR"},
{"title": "Shimano GRX BL-RX810 1 x 11-Speed Left Drop-Bar Hydraulic Brake Lever without hose or caliper"},
{"price": "$171.00"},
{"bullet_list": "Lever: BL-RX810-L Lever Adjustability: reach Actuation: [brake] hydraulic Caliper: not included Fluid: Shimano mineral"}],
"product_quantity": [{"quantity": "1"}],
"promotion_items": [{"title": "Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black", "asin": "B07YMBRRBN", "price": "$159.99", "quantity": ""},
{"title": "ROCKBROS Mountain Bike Pedals MTB Pedals Bicycle Flat Pedals Aluminum 9/16\" Sealed Bearing Lightweight Platform for Road Mountain BMX MTB Bike", "asin": "B08FFHW2PV", "price": "$26.99", "quantity": ""},
{"title": "Mountain Bike Pedals, Ultra Strong Colorful CNC Machined 9/16\" Cycling Sealed 3 Bea...", "asin": "B08G4WFYX7", "price": "$22.67", "quantity": ""},
{"title": "SHIMANO 105 St-R7025 Hydraulic Sti Shifter and Disc Brake Caliper Black, Front/Left, Flat Mount", "asin": "B07YNM1YQT", "price": "$264.99", "quantity": ""},
{"title": "MTB Mountain Bike Pedals 3 Bearing Flat Platform Compatible with SPD,Dual Function ...", "asin": "B09577ZKZJ", "price": "$39.99", "quantity": ""},
{"title": "ROCKBROS MTB Pedals Mountain Bike Pedals Lightweight Nylon Fiber Bicycle Platform Pedals for BMX MTB 9/16\"", "asin": "B07CWRQQGD", "price": "$21.15", "quantity": ""},
{"title": "L-TWOO Road Bike Shift Lever 2 X 11 Speed 22 Speeds Road Bicycle Shifters with Brak...", "asin": "B0D41SH8Z5", "price": "$85.99", "quantity": ""},
{"title": "SHIMANO GRX ST-RX810 GRX Mechanical Shift Hydraulic STI Lever, 11-Speed, Right Hand", "asin": "B07RVVMK25", "price": "$208.99", "quantity": ""},
{"title": "Shimano GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x", "asin": "B07VT2XG79", "price": "$98.35", "quantity": ""},
{"title": "Shimano GRX ST-RX810-LA 1 x 11-Speed Left Drop-Bar Seatpost Remote/Hydraulic Brake Lever without hose or caliper", "asin": "B07V21VP46", "price": "$257.99", "quantity": ""},
{"title": "SHIMANO GRX ST-RX400 GRX Mechanical Shift Hydraulic STI Lever, 10-Speed, Right Hand", "asin": "B07RVX5HYQ", "price": "$148.05", "quantity": ""},
{"title": "SHIMANO Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - 2x12-Speed, Flat Mount, Black (Left/Front)", "asin": "B09YFHNDH8", "price": "$364.26", "quantity": ""},
{"title": "MICROSHIFT R10 SHIFT LEVER SET 2x10 SPEED SHIMANO COMPATIBLE", "asin": "B083WMFRDL", "price": "$139.73", "quantity": ""},
{"title": "Shimano Tiagra ST-4720 10-Speed Right Shift/Brake Lever for Hydraulic Disc Brake", "asin": "B07YMT8878", "price": "$146.92", "quantity": ""},
{"title": "Box One 85 or 108 Millimeters Oversized BMX V-Brakes with Sealed Bearing Pivots, Flexible Cable Noodle, Cold Forged Arms & 2 Millimeters Allen Key Tensions Bolt", "asin": "B00B90ELY6", "price": "$76.90", "quantity": ""},
{"title": "Terske Titanium Brake & Shift Lever Mountain Bike Bolt Kit fits SRAM Matchmaker", "asin": "B0B61TZZXD", "price": "$17.97", "quantity": ""},
{"title": "CNC MTB Hydraulic Disc Brake Set\uff0cBike Disc Brake Sets Front and Rear Line Pulling Hydraulic Disc Brake\uff0cRed/Purple. \u2026", "asin": "B09MTBZLFZ", "price": "$25.99", "quantity": ""},
{"title": "Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black", "asin": "B07YMBRRBN", "price": "$159.99", "quantity": ""},
{"title": "Shimano Claris ST-R2000 Double Left STI Lever", "asin": "B06Y41JPS1", "price": "$61.99", "quantity": ""},
{"title": "SHIMANO 105 St-R7025 Hydraulic Sti Shifter and Disc Brake Caliper Black, Front/Left, Flat Mount", "asin": "B07YNM1YQT", "price": "$264.99", "quantity": ""}]
<|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": "2025-04-11T22:32:30.706Z", // 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>

user
<|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": "2025-04-03T01:06:31.719Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-03T01:06:36.176Z", "action": "click_product", "action_argument": "B0CMQZ2HFJ"}
{"timestamp": "2025-04-03T01:06:46.589Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:06:53.317Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:06:55.971Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:06:59.511Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:07:35.819Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:07:42.855Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:12.385Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:25.056Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:28.535Z", "action": "purchase", "action_argument": "B0DBZ3JYRF"}
{"timestamp": "2025-04-03T01:08:33.297Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:40.408Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:45.088Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:09:12.992Z", "action": "purchase", "action_argument": "B0D418HHPL"}
{"timestamp": "2025-04-03T21:01:16.883Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-03T21:01:48.059Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-10T16:48:03.168Z", "action": "input", "action_argument": "Specialized Flashback Bicycle Tail Light"}
{"timestamp": "2025-04-10T16:49:40.256Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-10T20:22:03.308Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-10T20:22:28.693Z", "action": "click_product", "action_argument": "B0DJFQB41P"}
{"timestamp": "2025-04-10T20:22:58.638Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-10T20:23:03.709Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:05.344Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:25.478Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:30.679Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:33.320Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:36.445Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:39.623Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:54.549Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:24:40.619Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-10T20:24:48.903Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-10T20:24:59.251Z", "action": "purchase", "action_argument": "B0DH7PNPPM"}
{"timestamp": "2025-04-10T20:25:06.552Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-10T20:25:18.663Z", "action": "click", "action_argument": "quantity"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-11T22:32:25.395Z", "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": "rx400"}],
"cart_items": [{"title": "Lumiere & Co. Maximus Large Magnetic Bike Seat Bag \u2013 Quick-Attach Saddle Bag with AquaGuard Zippers, Secure Under-Seat Storage for Cycling Gear & Accessories", "asin": "B0DH7PNPPM", "price": "$26.45", "quantity": "1"},
{"title": "Airkeep Car Air Freshener -Ocean Mist&Sea Salt Handmade Scented Ceramic for Drawers and Closets, Air Freshener Gifts for Men Women Car Fragrance", "asin": "B0D418HHPL", "price": "$3.99", "quantity": "1"},
{"title": "Airkeep Car Air Freshener - White Jasmine Handmade Scented Ceramic for Drawers and Closets, Car Air Freshener Gifts for Men Women Car Fragrance", "asin": "B0DBZ3JYRF", "price": "$5.99", "quantity": "1"},
{"title": "Airkeep Car Air Freshener - Ocean Mist&Sea Salt Handmade Scented Ceramic for Drawers and Closets,Air Freshener Gifts for Men Women Car Fragrance", "asin": "B0CMQZ2HFJ", "price": "$5.99", "quantity": "1"},
{"title": "Lamicall Bike Frame Bag Waterproof - [1s Release] [2 in 1] Bike Phone Bag, Bike Phone Holder Mount, Bicycle Top Tube Bag, Cycling Pouch with Rain Cover, Bike Accessories for Phones Under 7\"", "asin": "B0D9GQMXBV", "price": "$19.99", "quantity": "1"},
{"title": "Lumiere & Co. Bike Handlebar Bag, Bike Bag, Bicycle Handlebar Bag, Bike Front Bag, Mountain Bike Storage, Bicycle Accessories, Handlebar Bags, Small Bike Bag, Road Bike Bag (Black, Large)", "asin": "B0CLKPNDKL", "price": "$31.21", "quantity": "1"},
{"title": "Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security for Bicycles E-Bikes Scooters", "asin": "B06XCH21YH", "price": "$109.00", "quantity": "1"},
{"title": "ATTITUDE Hair Shampoo for Sensitive Dry Scalp, EWG Verified, Soothing Oat, For Thin Hair, Naturally Derived Ingredients, Vegan and Plant-Based, Volume and Shine, Unscented, 16 Fl Oz", "asin": "B07NF994VJ", "price": "$14.24", "quantity": "1"}],
"product_details": [{"asin": "B07XRBL9QR"},
{"title": "Shimano GRX BL-RX810 1 x 11-Speed Left Drop-Bar Hydraulic Brake Lever without hose or caliper"},
{"price": "$171.00"},
{"bullet_list": "Lever: BL-RX810-L Lever Adjustability: reach Actuation: [brake] hydraulic Caliper: not included Fluid: Shimano mineral"}],
"product_quantity": [{"quantity": "1"}],
"promotion_items": [{"title": "Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black", "asin": "B07YMBRRBN", "price": "$159.99", "quantity": ""},
{"title": "ROCKBROS Mountain Bike Pedals MTB Pedals Bicycle Flat Pedals Aluminum 9/16\" Sealed Bearing Lightweight Platform for Road Mountain BMX MTB Bike", "asin": "B08FFHW2PV", "price": "$26.99", "quantity": ""},
{"title": "Mountain Bike Pedals, Ultra Strong Colorful CNC Machined 9/16\" Cycling Sealed 3 Bea...", "asin": "B08G4WFYX7", "price": "$22.67", "quantity": ""},
{"title": "SHIMANO 105 St-R7025 Hydraulic Sti Shifter and Disc Brake Caliper Black, Front/Left, Flat Mount", "asin": "B07YNM1YQT", "price": "$264.99", "quantity": ""},
{"title": "MTB Mountain Bike Pedals 3 Bearing Flat Platform Compatible with SPD,Dual Function ...", "asin": "B09577ZKZJ", "price": "$39.99", "quantity": ""},
{"title": "ROCKBROS MTB Pedals Mountain Bike Pedals Lightweight Nylon Fiber Bicycle Platform Pedals for BMX MTB 9/16\"", "asin": "B07CWRQQGD", "price": "$21.15", "quantity": ""},
{"title": "L-TWOO Road Bike Shift Lever 2 X 11 Speed 22 Speeds Road Bicycle Shifters with Brak...", "asin": "B0D41SH8Z5", "price": "$85.99", "quantity": ""},
{"title": "SHIMANO GRX ST-RX810 GRX Mechanical Shift Hydraulic STI Lever, 11-Speed, Right Hand", "asin": "B07RVVMK25", "price": "$208.99", "quantity": ""},
{"title": "Shimano GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x", "asin": "B07VT2XG79", "price": "$98.35", "quantity": ""},
{"title": "Shimano GRX ST-RX810-LA 1 x 11-Speed Left Drop-Bar Seatpost Remote/Hydraulic Brake Lever without hose or caliper", "asin": "B07V21VP46", "price": "$257.99", "quantity": ""},
{"title": "SHIMANO GRX ST-RX400 GRX Mechanical Shift Hydraulic STI Lever, 10-Speed, Right Hand", "asin": "B07RVX5HYQ", "price": "$148.05", "quantity": ""},
{"title": "SHIMANO Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - 2x12-Speed, Flat Mount, Black (Left/Front)", "asin": "B09YFHNDH8", "price": "$364.26", "quantity": ""},
{"title": "MICROSHIFT R10 SHIFT LEVER SET 2x10 SPEED SHIMANO COMPATIBLE", "asin": "B083WMFRDL", "price": "$139.73", "quantity": ""},
{"title": "Shimano Tiagra ST-4720 10-Speed Right Shift/Brake Lever for Hydraulic Disc Brake", "asin": "B07YMT8878", "price": "$146.92", "quantity": ""},
{"title": "Box One 85 or 108 Millimeters Oversized BMX V-Brakes with Sealed Bearing Pivots, Flexible Cable Noodle, Cold Forged Arms & 2 Millimeters Allen Key Tensions Bolt", "asin": "B00B90ELY6", "price": "$76.90", "quantity": ""},
{"title": "Terske Titanium Brake & Shift Lever Mountain Bike Bolt Kit fits SRAM Matchmaker", "asin": "B0B61TZZXD", "price": "$17.97", "quantity": ""},
{"title": "CNC MTB Hydraulic Disc Brake Set\uff0cBike Disc Brake Sets Front and Rear Line Pulling Hydraulic Disc Brake\uff0cRed/Purple. \u2026", "asin": "B09MTBZLFZ", "price": "$25.99", "quantity": ""},
{"title": "Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black", "asin": "B07YMBRRBN", "price": "$159.99", "quantity": ""},
{"title": "Shimano Claris ST-R2000 Double Left STI Lever", "asin": "B06Y41JPS1", "price": "$61.99", "quantity": ""},
{"title": "SHIMANO 105 St-R7025 Hydraulic Sti Shifter and Disc Brake Caliper Black, Front/Left, Flat Mount", "asin": "B07YNM1YQT", "price": "$264.99", "quantity": ""}]
<|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": "2025-04-11T22:32:30.706Z", // 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>

<answer>{"timestamp": "2025-04-11T22:32:30.706Z","action": "click","acion_argument": "search",}</answer>
rule
<answer>{"timestamp": "2025-04-11T22:32:30.706Z","action": "click","acion_argument": "search",}</answer>
<|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": "2025-04-03T01:06:31.719Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-03T01:06:36.176Z", "action": "click_product", "action_argument": "B0CMQZ2HFJ"}
{"timestamp": "2025-04-03T01:06:46.589Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:06:53.317Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:06:55.971Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:06:59.511Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:07:35.819Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:07:42.855Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:12.385Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:25.056Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:28.535Z", "action": "purchase", "action_argument": "B0DBZ3JYRF"}
{"timestamp": "2025-04-03T01:08:33.297Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:40.408Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:08:45.088Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-03T01:09:12.992Z", "action": "purchase", "action_argument": "B0D418HHPL"}
{"timestamp": "2025-04-03T21:01:16.883Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-03T21:01:48.059Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-10T16:48:03.168Z", "action": "input", "action_argument": "Specialized Flashback Bicycle Tail Light"}
{"timestamp": "2025-04-10T16:49:40.256Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-10T20:22:03.308Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-10T20:22:28.693Z", "action": "click_product", "action_argument": "B0DJFQB41P"}
{"timestamp": "2025-04-10T20:22:58.638Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-10T20:23:03.709Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:05.344Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:25.478Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:30.679Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:33.320Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:36.445Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:39.623Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:23:54.549Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T20:24:40.619Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-10T20:24:48.903Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-10T20:24:59.251Z", "action": "purchase", "action_argument": "B0DH7PNPPM"}
{"timestamp": "2025-04-10T20:25:06.552Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-10T20:25:18.663Z", "action": "click", "action_argument": "quantity"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-11T22:32:25.395Z", "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": "rx400"}],
"cart_items": [{"title": "Lumiere & Co. Maximus Large Magnetic Bike Seat Bag \u2013 Quick-Attach Saddle Bag with AquaGuard Zippers, Secure Under-Seat Storage for Cycling Gear & Accessories", "asin": "B0DH7PNPPM", "price": "$26.45", "quantity": "1"},
{"title": "Airkeep Car Air Freshener -Ocean Mist&Sea Salt Handmade Scented Ceramic for Drawers and Closets, Air Freshener Gifts for Men Women Car Fragrance", "asin": "B0D418HHPL", "price": "$3.99", "quantity": "1"},
{"title": "Airkeep Car Air Freshener - White Jasmine Handmade Scented Ceramic for Drawers and Closets, Car Air Freshener Gifts for Men Women Car Fragrance", "asin": "B0DBZ3JYRF", "price": "$5.99", "quantity": "1"},
{"title": "Airkeep Car Air Freshener - Ocean Mist&Sea Salt Handmade Scented Ceramic for Drawers and Closets,Air Freshener Gifts for Men Women Car Fragrance", "asin": "B0CMQZ2HFJ", "price": "$5.99", "quantity": "1"},
{"title": "Lamicall Bike Frame Bag Waterproof - [1s Release] [2 in 1] Bike Phone Bag, Bike Phone Holder Mount, Bicycle Top Tube Bag, Cycling Pouch with Rain Cover, Bike Accessories for Phones Under 7\"", "asin": "B0D9GQMXBV", "price": "$19.99", "quantity": "1"},
{"title": "Lumiere & Co. Bike Handlebar Bag, Bike Bag, Bicycle Handlebar Bag, Bike Front Bag, Mountain Bike Storage, Bicycle Accessories, Handlebar Bags, Small Bike Bag, Road Bike Bag (Black, Large)", "asin": "B0CLKPNDKL", "price": "$31.21", "quantity": "1"},
{"title": "Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security for Bicycles E-Bikes Scooters", "asin": "B06XCH21YH", "price": "$109.00", "quantity": "1"},
{"title": "ATTITUDE Hair Shampoo for Sensitive Dry Scalp, EWG Verified, Soothing Oat, For Thin Hair, Naturally Derived Ingredients, Vegan and Plant-Based, Volume and Shine, Unscented, 16 Fl Oz", "asin": "B07NF994VJ", "price": "$14.24", "quantity": "1"}],
"product_details": [{"asin": "B07XRBL9QR"},
{"title": "Shimano GRX BL-RX810 1 x 11-Speed Left Drop-Bar Hydraulic Brake Lever without hose or caliper"},
{"price": "$171.00"},
{"bullet_list": "Lever: BL-RX810-L Lever Adjustability: reach Actuation: [brake] hydraulic Caliper: not included Fluid: Shimano mineral"}],
"product_quantity": [{"quantity": "1"}],
"promotion_items": [{"title": "Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black", "asin": "B07YMBRRBN", "price": "$159.99", "quantity": ""},
{"title": "ROCKBROS Mountain Bike Pedals MTB Pedals Bicycle Flat Pedals Aluminum 9/16\" Sealed Bearing Lightweight Platform for Road Mountain BMX MTB Bike", "asin": "B08FFHW2PV", "price": "$26.99", "quantity": ""},
{"title": "Mountain Bike Pedals, Ultra Strong Colorful CNC Machined 9/16\" Cycling Sealed 3 Bea...", "asin": "B08G4WFYX7", "price": "$22.67", "quantity": ""},
{"title": "SHIMANO 105 St-R7025 Hydraulic Sti Shifter and Disc Brake Caliper Black, Front/Left, Flat Mount", "asin": "B07YNM1YQT", "price": "$264.99", "quantity": ""},
{"title": "MTB Mountain Bike Pedals 3 Bearing Flat Platform Compatible with SPD,Dual Function ...", "asin": "B09577ZKZJ", "price": "$39.99", "quantity": ""},
{"title": "ROCKBROS MTB Pedals Mountain Bike Pedals Lightweight Nylon Fiber Bicycle Platform Pedals for BMX MTB 9/16\"", "asin": "B07CWRQQGD", "price": "$21.15", "quantity": ""},
{"title": "L-TWOO Road Bike Shift Lever 2 X 11 Speed 22 Speeds Road Bicycle Shifters with Brak...", "asin": "B0D41SH8Z5", "price": "$85.99", "quantity": ""},
{"title": "SHIMANO GRX ST-RX810 GRX Mechanical Shift Hydraulic STI Lever, 11-Speed, Right Hand", "asin": "B07RVVMK25", "price": "$208.99", "quantity": ""},
{"title": "Shimano GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x", "asin": "B07VT2XG79", "price": "$98.35", "quantity": ""},
{"title": "Shimano GRX ST-RX810-LA 1 x 11-Speed Left Drop-Bar Seatpost Remote/Hydraulic Brake Lever without hose or caliper", "asin": "B07V21VP46", "price": "$257.99", "quantity": ""},
{"title": "SHIMANO GRX ST-RX400 GRX Mechanical Shift Hydraulic STI Lever, 10-Speed, Right Hand", "asin": "B07RVX5HYQ", "price": "$148.05", "quantity": ""},
{"title": "SHIMANO Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - 2x12-Speed, Flat Mount, Black (Left/Front)", "asin": "B09YFHNDH8", "price": "$364.26", "quantity": ""},
{"title": "MICROSHIFT R10 SHIFT LEVER SET 2x10 SPEED SHIMANO COMPATIBLE", "asin": "B083WMFRDL", "price": "$139.73", "quantity": ""},
{"title": "Shimano Tiagra ST-4720 10-Speed Right Shift/Brake Lever for Hydraulic Disc Brake", "asin": "B07YMT8878", "price": "$146.92", "quantity": ""},
{"title": "Box One 85 or 108 Millimeters Oversized BMX V-Brakes with Sealed Bearing Pivots, Flexible Cable Noodle, Cold Forged Arms & 2 Millimeters Allen Key Tensions Bolt", "asin": "B00B90ELY6", "price": "$76.90", "quantity": ""},
{"title": "Terske Titanium Brake & Shift Lever Mountain Bike Bolt Kit fits SRAM Matchmaker", "asin": "B0B61TZZXD", "price": "$17.97", "quantity": ""},
{"title": "CNC MTB Hydraulic Disc Brake Set\uff0cBike Disc Brake Sets Front and Rear Line Pulling Hydraulic Disc Brake\uff0cRed/Purple. \u2026", "asin": "B09MTBZLFZ", "price": "$25.99", "quantity": ""},
{"title": "Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black", "asin": "B07YMBRRBN", "price": "$159.99", "quantity": ""},
{"title": "Shimano Claris ST-R2000 Double Left STI Lever", "asin": "B06Y41JPS1", "price": "$61.99", "quantity": ""},
{"title": "SHIMANO 105 St-R7025 Hydraulic Sti Shifter and Disc Brake Caliper Black, Front/Left, Flat Mount", "asin": "B07YNM1YQT", "price": "$264.99", "quantity": ""}]
<|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": "2025-04-11T22:32:30.706Z", // 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>

train