<|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 button or clickable element on the Amazon website.
Action Argument: The click_type is one of the buttons or clickable elements including review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter. Select one of these elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "click_type",
}

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"}
{"timestamp": "2025-04-11T22:32:42.448Z", "action": "input", "action_argument": "shimano rx400"}
{"timestamp": "2025-04-11T22:33:06.788Z", "action": "click_product", "action_argument": "B07YMBRRBN"}
<|memory_end|>

<|action_start|>
<|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": "shimano GRX 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": "B07YMBRRBN"
},
    {
  "title": "Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black"
},
    {
  "price": "$158.92"
},
    {
  "bullet_list": "Anti-slip brake lever Same light shifting operation as top tier systems Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences Compatible only with FD-4700 and FD-RX400 front derailleurs, and RD-RX400 and RD-4700 rear derailleurs"
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
}
  ],
  "promotion_items": [
    {"title": "PNW Components Loam Alloy Pedals", "asin": "B09QRMHH4Z", "price": "$99.00", "quantity": ""},
    {"title": "Mountain Bike Pedals, Ultra Strong Colorful CNC Machined 9/16\" Cycling Sealed 3 Bea...", "asin": "B08G4WFYX7", "price": "$22.67", "quantity": ""},
    {"title": "Shimano Tiagra ST-4720 10-Speed Right Shift/Brake Lever for Hydraulic Disc Brake", "asin": "B07YMT8878", "price": "$146.92", "quantity": ""},
    {"title": "Shimano Claris ST-R2000 Double Left STI Lever", "asin": "B06Y41JPS1", "price": "$61.99", "quantity": ""},
    {"title": "SENSAH STI Road Bike Shifters Double 2\u00d77/2\u00d78/2\u00d79/2\u00d711 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2 * 10 PHI\uff08compatible4600/5700/6700\uff09)", "asin": "B093DRDTZW", "price": "$105.00", "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": "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": "ALIEN PROS Chameleon Tail Bike Handlebar Tape (Set of 2) - Elevate Your Ride with Stylish, Comfortable, and Color-Shifting PU Tape for Enhanced Grip with These Bicycle Handle bar Tape (Purple)", "asin": "B0DG1YXT7X", "price": "$10.99", "quantity": ""},
    {"title": "Juin Tech ETF 4-Piston Hydraulic Bicycle Disc Brake Rotor Caliper for Flat-Mount Road/Cyclocross/Gravel/eBike/Cargo 140mm/160mm Bike use (Blue, 160mm)", "asin": "B0DKJD9Q3L", "price": "$178.95", "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": "Derailleur Hanger Alignment Gauge,Road Bike Dual Control Lever Alignment Tool, Bike...", "asin": "B0CRXXGDSF", "price": "$45.99", "quantity": ""},
    {"title": "Shimano Claris ST-R2000 Double Left STI Lever", "asin": "B06Y41JPS1", "price": "$61.99", "quantity": ""},
    {"title": "Shimano Tiagra ST-4720 10-Speed Right Shift/Brake Lever for Hydraulic Disc Brake", "asin": "B07YMT8878", "price": "$146.92", "quantity": ""},
    {"title": "SHIMANO GRX ST-RX400 GRX Mechanical Shift Hydraulic STI Lever, 10-Speed, Right Hand", "asin": "B07RVX5HYQ", "price": "$155.15", "quantity": ""},
    {"title": "CYSKY Bike Hydraulic Brake Hose Kit 2500mm for Shimano BH59 BH90 Sram Avid System, Included 8 Bike Brake Olive and 8 Brass Connecting Insert (Black)", "asin": "B0BV6GRXSN", "price": "$11.99", "quantity": ""},
    {"title": "Shimano GRX FD-RX400-F 2x10 Speed Braze-On Front Derailleur, 46t Max Chainring", "asin": "B07YMLQV4C", "price": "$43.51", "quantity": ""},
    {"title": "Muc-Off Dry Lube (50-ml)", "asin": "B0028RWS5S", "price": "$11.79", "quantity": ""},
    {"title": "SHIMANO Sm-Bh90 Flange Connecting Bolt Unit (M9/Black) for St-R9", "asin": "B078XRTS3S", "price": "$9.99", "quantity": ""},
    {"title": "Sram Dub BSA Bearings: Inner Bearings in", "asin": "B088XWTRY2", "price": "$32.00", "quantity": ""}
  ],
  "comparison_items": [
    {"title": "SHIMANO\u00a0Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black", "asin": "B07YMBRRBN", "price": "$159.99"},
    {"title": "SHIMANO\u00a0Shimano 105 ST-R7000 Left Double Shift/Brake Lever, Black", "asin": "B07MY1NGZ5", "price": "$110.24"},
    {"title": "Micronew\u00a0micronew Double 7 Speed Road Bike Shifter Brake Levers for Shimano ST-A070 Road Shifters 2 x 7-Speed Black Pair", "asin": "B07DKQKYW3", "price": "$51.22"},
    {"title": "SHIMANO\u00a0Shimano ST-EF500-2L Shift/Brake Lever - Left, 2-Speed, For V-Brake", "asin": "B08L5MTNB8", "price": "$13.99"},
    {"title": "SENSAH\u00a0STI Road Bike Shifters Double 2\u00d77/2\u00d78/2\u00d79/2\u00d711 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2 * 11s Lever)", "asin": "B083S6MGG5", "price": "$115.00"},
    {"title": "SHIMANO\u00a0Shimano Tourney ST-A070 7-Speed Double STI Lever Set", "asin": "B00961NHA4", "price": "$87.05"}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-14T18:30:56.587Z", // the timestamp when this action occurs
"action": "string", // one of four action: input, click, click_product, purchase
"acion_argument": "string", // appropriate value based on action type: input_text, click_type (i.e., select one from review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter), or product_asin
}
</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 button or clickable element on the Amazon website.
Action Argument: The click_type is one of the buttons or clickable elements including review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter. Select one of these elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "click_type",
}

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"}
{"timestamp": "2025-04-11T22:32:42.448Z", "action": "input", "action_argument": "shimano rx400"}
{"timestamp": "2025-04-11T22:33:06.788Z", "action": "click_product", "action_argument": "B07YMBRRBN"}
<|memory_end|>

<|action_start|>
<|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": "shimano GRX 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": "B07YMBRRBN"
},
    {
  "title": "Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black"
},
    {
  "price": "$158.92"
},
    {
  "bullet_list": "Anti-slip brake lever Same light shifting operation as top tier systems Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences Compatible only with FD-4700 and FD-RX400 front derailleurs, and RD-RX400 and RD-4700 rear derailleurs"
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
}
  ],
  "promotion_items": [
    {"title": "PNW Components Loam Alloy Pedals", "asin": "B09QRMHH4Z", "price": "$99.00", "quantity": ""},
    {"title": "Mountain Bike Pedals, Ultra Strong Colorful CNC Machined 9/16\" Cycling Sealed 3 Bea...", "asin": "B08G4WFYX7", "price": "$22.67", "quantity": ""},
    {"title": "Shimano Tiagra ST-4720 10-Speed Right Shift/Brake Lever for Hydraulic Disc Brake", "asin": "B07YMT8878", "price": "$146.92", "quantity": ""},
    {"title": "Shimano Claris ST-R2000 Double Left STI Lever", "asin": "B06Y41JPS1", "price": "$61.99", "quantity": ""},
    {"title": "SENSAH STI Road Bike Shifters Double 2\u00d77/2\u00d78/2\u00d79/2\u00d711 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2 * 10 PHI\uff08compatible4600/5700/6700\uff09)", "asin": "B093DRDTZW", "price": "$105.00", "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": "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": "ALIEN PROS Chameleon Tail Bike Handlebar Tape (Set of 2) - Elevate Your Ride with Stylish, Comfortable, and Color-Shifting PU Tape for Enhanced Grip with These Bicycle Handle bar Tape (Purple)", "asin": "B0DG1YXT7X", "price": "$10.99", "quantity": ""},
    {"title": "Juin Tech ETF 4-Piston Hydraulic Bicycle Disc Brake Rotor Caliper for Flat-Mount Road/Cyclocross/Gravel/eBike/Cargo 140mm/160mm Bike use (Blue, 160mm)", "asin": "B0DKJD9Q3L", "price": "$178.95", "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": "Derailleur Hanger Alignment Gauge,Road Bike Dual Control Lever Alignment Tool, Bike...", "asin": "B0CRXXGDSF", "price": "$45.99", "quantity": ""},
    {"title": "Shimano Claris ST-R2000 Double Left STI Lever", "asin": "B06Y41JPS1", "price": "$61.99", "quantity": ""},
    {"title": "Shimano Tiagra ST-4720 10-Speed Right Shift/Brake Lever for Hydraulic Disc Brake", "asin": "B07YMT8878", "price": "$146.92", "quantity": ""},
    {"title": "SHIMANO GRX ST-RX400 GRX Mechanical Shift Hydraulic STI Lever, 10-Speed, Right Hand", "asin": "B07RVX5HYQ", "price": "$155.15", "quantity": ""},
    {"title": "CYSKY Bike Hydraulic Brake Hose Kit 2500mm for Shimano BH59 BH90 Sram Avid System, Included 8 Bike Brake Olive and 8 Brass Connecting Insert (Black)", "asin": "B0BV6GRXSN", "price": "$11.99", "quantity": ""},
    {"title": "Shimano GRX FD-RX400-F 2x10 Speed Braze-On Front Derailleur, 46t Max Chainring", "asin": "B07YMLQV4C", "price": "$43.51", "quantity": ""},
    {"title": "Muc-Off Dry Lube (50-ml)", "asin": "B0028RWS5S", "price": "$11.79", "quantity": ""},
    {"title": "SHIMANO Sm-Bh90 Flange Connecting Bolt Unit (M9/Black) for St-R9", "asin": "B078XRTS3S", "price": "$9.99", "quantity": ""},
    {"title": "Sram Dub BSA Bearings: Inner Bearings in", "asin": "B088XWTRY2", "price": "$32.00", "quantity": ""}
  ],
  "comparison_items": [
    {"title": "SHIMANO\u00a0Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black", "asin": "B07YMBRRBN", "price": "$159.99"},
    {"title": "SHIMANO\u00a0Shimano 105 ST-R7000 Left Double Shift/Brake Lever, Black", "asin": "B07MY1NGZ5", "price": "$110.24"},
    {"title": "Micronew\u00a0micronew Double 7 Speed Road Bike Shifter Brake Levers for Shimano ST-A070 Road Shifters 2 x 7-Speed Black Pair", "asin": "B07DKQKYW3", "price": "$51.22"},
    {"title": "SHIMANO\u00a0Shimano ST-EF500-2L Shift/Brake Lever - Left, 2-Speed, For V-Brake", "asin": "B08L5MTNB8", "price": "$13.99"},
    {"title": "SENSAH\u00a0STI Road Bike Shifters Double 2\u00d77/2\u00d78/2\u00d79/2\u00d711 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2 * 11s Lever)", "asin": "B083S6MGG5", "price": "$115.00"},
    {"title": "SHIMANO\u00a0Shimano Tourney ST-A070 7-Speed Double STI Lever Set", "asin": "B00961NHA4", "price": "$87.05"}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-14T18:30:56.587Z", // the timestamp when this action occurs
"action": "string", // one of four action: input, click, click_product, purchase
"acion_argument": "string", // appropriate value based on action type: input_text, click_type (i.e., select one from review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter), or product_asin
}
</answer>"

<|im_end|>
<|im_start|>assistant
<think>

<|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 button or clickable element on the Amazon website.
Action Argument: The click_type is one of the buttons or clickable elements including review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter. Select one of these elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "click_type",
}

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"}
{"timestamp": "2025-04-11T22:32:42.448Z", "action": "input", "action_argument": "shimano rx400"}
{"timestamp": "2025-04-11T22:33:06.788Z", "action": "click_product", "action_argument": "B07YMBRRBN"}
<|memory_end|>

<|action_start|>
<|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": "shimano GRX 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": "B07YMBRRBN"
},
    {
  "title": "Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black"
},
    {
  "price": "$158.92"
},
    {
  "bullet_list": "Anti-slip brake lever Same light shifting operation as top tier systems Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences Compatible only with FD-4700 and FD-RX400 front derailleurs, and RD-RX400 and RD-4700 rear derailleurs"
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
}
  ],
  "promotion_items": [
    {"title": "PNW Components Loam Alloy Pedals", "asin": "B09QRMHH4Z", "price": "$99.00", "quantity": ""},
    {"title": "Mountain Bike Pedals, Ultra Strong Colorful CNC Machined 9/16\" Cycling Sealed 3 Bea...", "asin": "B08G4WFYX7", "price": "$22.67", "quantity": ""},
    {"title": "Shimano Tiagra ST-4720 10-Speed Right Shift/Brake Lever for Hydraulic Disc Brake", "asin": "B07YMT8878", "price": "$146.92", "quantity": ""},
    {"title": "Shimano Claris ST-R2000 Double Left STI Lever", "asin": "B06Y41JPS1", "price": "$61.99", "quantity": ""},
    {"title": "SENSAH STI Road Bike Shifters Double 2\u00d77/2\u00d78/2\u00d79/2\u00d711 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2 * 10 PHI\uff08compatible4600/5700/6700\uff09)", "asin": "B093DRDTZW", "price": "$105.00", "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": "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": "ALIEN PROS Chameleon Tail Bike Handlebar Tape (Set of 2) - Elevate Your Ride with Stylish, Comfortable, and Color-Shifting PU Tape for Enhanced Grip with These Bicycle Handle bar Tape (Purple)", "asin": "B0DG1YXT7X", "price": "$10.99", "quantity": ""},
    {"title": "Juin Tech ETF 4-Piston Hydraulic Bicycle Disc Brake Rotor Caliper for Flat-Mount Road/Cyclocross/Gravel/eBike/Cargo 140mm/160mm Bike use (Blue, 160mm)", "asin": "B0DKJD9Q3L", "price": "$178.95", "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": "Derailleur Hanger Alignment Gauge,Road Bike Dual Control Lever Alignment Tool, Bike...", "asin": "B0CRXXGDSF", "price": "$45.99", "quantity": ""},
    {"title": "Shimano Claris ST-R2000 Double Left STI Lever", "asin": "B06Y41JPS1", "price": "$61.99", "quantity": ""},
    {"title": "Shimano Tiagra ST-4720 10-Speed Right Shift/Brake Lever for Hydraulic Disc Brake", "asin": "B07YMT8878", "price": "$146.92", "quantity": ""},
    {"title": "SHIMANO GRX ST-RX400 GRX Mechanical Shift Hydraulic STI Lever, 10-Speed, Right Hand", "asin": "B07RVX5HYQ", "price": "$155.15", "quantity": ""},
    {"title": "CYSKY Bike Hydraulic Brake Hose Kit 2500mm for Shimano BH59 BH90 Sram Avid System, Included 8 Bike Brake Olive and 8 Brass Connecting Insert (Black)", "asin": "B0BV6GRXSN", "price": "$11.99", "quantity": ""},
    {"title": "Shimano GRX FD-RX400-F 2x10 Speed Braze-On Front Derailleur, 46t Max Chainring", "asin": "B07YMLQV4C", "price": "$43.51", "quantity": ""},
    {"title": "Muc-Off Dry Lube (50-ml)", "asin": "B0028RWS5S", "price": "$11.79", "quantity": ""},
    {"title": "SHIMANO Sm-Bh90 Flange Connecting Bolt Unit (M9/Black) for St-R9", "asin": "B078XRTS3S", "price": "$9.99", "quantity": ""},
    {"title": "Sram Dub BSA Bearings: Inner Bearings in", "asin": "B088XWTRY2", "price": "$32.00", "quantity": ""}
  ],
  "comparison_items": [
    {"title": "SHIMANO\u00a0Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black", "asin": "B07YMBRRBN", "price": "$159.99"},
    {"title": "SHIMANO\u00a0Shimano 105 ST-R7000 Left Double Shift/Brake Lever, Black", "asin": "B07MY1NGZ5", "price": "$110.24"},
    {"title": "Micronew\u00a0micronew Double 7 Speed Road Bike Shifter Brake Levers for Shimano ST-A070 Road Shifters 2 x 7-Speed Black Pair", "asin": "B07DKQKYW3", "price": "$51.22"},
    {"title": "SHIMANO\u00a0Shimano ST-EF500-2L Shift/Brake Lever - Left, 2-Speed, For V-Brake", "asin": "B08L5MTNB8", "price": "$13.99"},
    {"title": "SENSAH\u00a0STI Road Bike Shifters Double 2\u00d77/2\u00d78/2\u00d79/2\u00d711 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2 * 11s Lever)", "asin": "B083S6MGG5", "price": "$115.00"},
    {"title": "SHIMANO\u00a0Shimano Tourney ST-A070 7-Speed Double STI Lever Set", "asin": "B00961NHA4", "price": "$87.05"}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-14T18:30:56.587Z", // the timestamp when this action occurs
"action": "string", // one of four action: input, click, click_product, purchase
"acion_argument": "string", // appropriate value based on action type: input_text, click_type (i.e., select one from review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter), or product_asin
}
</answer>"

<|im_end|>
<|im_start|>assistant
<think>
