<|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": "2025-04-01T00:09:12.232Z", "action": "input", "action_argument": "bike pump with gauge"}
{"timestamp": "2025-04-01T00:10:24.448Z", "action": "click_product", "action_argument": "B00XLGKU14"}
{"timestamp": "2025-04-01T17:23:13.604Z", "action": "click_product", "action_argument": "B0DLBTPDCS"}
{"timestamp": "2025-04-01T17:23:35.661Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-01T17:23:40.626Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-01T17:23:48.849Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-01T17:23:54.591Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-07T20:39:04.148Z", "action": "input", "action_argument": "rb5424D ray ban replacement nose pads"}
{"timestamp": "2025-04-07T20:39:47.542Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
{"timestamp": "2025-04-07T20:39:49.300Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
{"timestamp": "2025-04-07T20:50:58.581Z", "action": "purchase", "action_argument": "B09NVPJ9ZG"}
{"timestamp": "2025-04-10T22:31:03.659Z", "action": "input", "action_argument": "internet modem x"}
{"timestamp": "2025-04-10T22:31:03.733Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-10T22:40:15.470Z", "action": "input", "action_argument": "wifi router"}
{"timestamp": "2025-04-10T22:54:33.370Z", "action": "purchase", "action_argument": "B0B3SQK74L"}
{"timestamp": "2025-04-13T05:31:02.490Z", "action": "input", "action_argument": "man"}
{"timestamp": "2025-04-13T05:31:08.650Z", "action": "input", "action_argument": "manta sleep mask"}
{"timestamp": "2025-04-13T05:31:31.010Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T05:31:31.632Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T05:31:36.997Z", "action": "purchase", "action_argument": "B07PRG2CQY"}
{"timestamp": "2025-04-13T05:32:52.853Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-13T05:33:00.789Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:00.807Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:03.436Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:03.456Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:09.095Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:10.304Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:12.371Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:12.389Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:14.721Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:14.739Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:18.279Z", "action": "purchase", "action_argument": "B0C36K8SJJ, B07PRG2CQY"}
{"timestamp": "2025-04-13T05:34:57.418Z", "action": "purchase", "action_argument": "B0B1LZMH78"}
{"timestamp": "2025-04-13T05:36:04.658Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T05:38:31.905Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-13T22:25:47.129Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-13T22:26:41.052Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T22:27:12.817Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-13T22:31:11.321Z", "action": "purchase", "action_argument": "B08R58D9FH"}
{"timestamp": "2025-04-13T22:32:07.725Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-13T22:48:36.970Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-13T23:00:23.623Z", "action": "click_product", "action_argument": "B0DK7Q5SCN"}
{"timestamp": "2025-04-13T23:00:41.275Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-13T23:08:22.727Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-13T23:17:24.979Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-13T23:18:20.788Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-13T23:18:24.655Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-13T23:18:26.716Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:44:05.237Z", "action": "input", "action_argument": "pain relief patch"}
{"timestamp": "2025-04-19T00:46:00.072Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T00:46:04.043Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:46:14.711Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-19T00:46:35.154Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-19T00:46:50.315Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:46:50.571Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:46:52.518Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:48:38.279Z", "action": "purchase", "action_argument": "B00HA84YXE"}
{"timestamp": "2025-04-19T00:49:28.516Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:49:29.261Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:49:32.189Z", "action": "purchase", "action_argument": "B06X91GH75"}
{"timestamp": "2025-04-19T00:49:34.785Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:49:37.187Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:38.870Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:41.065Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:41.085Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:43.954Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:43.972Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:47.160Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:47.181Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:49.762Z", "action": "purchase", "action_argument": "B06X91GH75, B01AB4U6PI, B00HA84YXE, B0D42FL9CG"}
{"timestamp": "2025-04-19T00:50:39.575Z", "action": "input", "action_argument": "ipad air "}
{"timestamp": "2025-04-19T00:50:46.220Z", "action": "click_product", "action_argument": "B0D3J7N642"}
{"timestamp": "2025-04-19T00:51:00.453Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-19T06:44:30.524Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T06:44:35.493Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T06:45:41.947Z", "action": "input", "action_argument": "ipad pro 13 s"}
{"timestamp": "2025-04-19T06:45:42.025Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-19T07:30:44.590Z", "action": "purchase", "action_argument": "B0DGL2M45W"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-21T21:22:03.399Z", "action": "click_product", "action_argument": "B07PCMWTSG"}
<|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": ""
}
  ],
  "cart_items": [
    {"title": "Amazon eGift Card - Blue Smile", "asin": "B07PBLL2VD", "price": "$20.00"},
    {"title": "NETGEAR Nighthawk WiFi 6E Router (RAXE500) - Security Features, 12-Stream Gigabit Router AXE11000 Tri-Band Wireless Speed (Up to 10.8Gbps), New 6GHz Band, Coverage up to 3,500 sq. ft, 60 Devices", "asin": "B08R58D9FH", "price": "$299.97", "quantity": "1"},
    {"title": "NETGEAR Nighthawk WiFi 7 Router (BE9300) \u2013 Security Features, 9.3Gbps Wireless Speed, 2.5 Gigabit Internet Port, Tri-Band Gaming Router, Covers 2,500 sq. ft., 100 Devices, Built-in VPN, USB 3.0", "asin": "B0DK7Q5SCN", "price": "$279.99", "quantity": "1"},
    {"title": "The Invisible Computer: Why Good Products Can Fail, the Personal Computer Is So Complex, and Information Appliances Are the Solution", "asin": "0262640414", "price": "$35.00", "quantity": "1"},
    {"title": "Scenario-Based Design: Envisioning Work and Technology in System Development", "asin": "0471076597", "price": "$22.60", "quantity": "1"},
    {"title": "Things That Make Us Smart (William Patrick Book)", "asin": "0201626950", "price": "$11.33", "quantity": "1"},
    {"title": "Participatory Design: Principles and Practices", "asin": "0805809511", "price": "$99.99", "quantity": "1"},
    {"title": "The Nurnberg Funnel: Designing Minimalist Instruction for Practical Computer Skill (Technical Communication, Multimedia, and Information Systems)", "asin": "0262031639", "price": "$11.93", "quantity": "1"},
    {"title": "Computer-Supported Cooperative Work: A Book of Readings", "asin": "0934613575", "price": "$16.30", "quantity": "1"},
    {"title": "User Centered System Design: New Perspectives on Human-computer Interaction", "asin": "0898598729", "price": "$104.00", "quantity": "1"},
    {"title": "Human-Machine Reconfigurations: Plans and Situated Actions (Learning in Doing: Social, Cognitive and Computational Perspectives)", "asin": "052167588X", "price": "$44.99", "quantity": "1"},
    {"title": "The Human Use Of Human Beings", "asin": "0306803208", "price": "$8.87", "quantity": "1"},
    {"title": "Emotional Design: Why We Love (or Hate) Everyday Things", "asin": "0465051367", "price": "$10.79", "quantity": "1"},
    {"title": "The Design of Everyday Things: Revised and Expanded Edition", "asin": "0465050654", "price": "$12.77", "quantity": "1"}
  ],
  "promotion_items": [
    {"title": "NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) \u2013 Approved for Today\u2019s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps", "asin": "", "price": "$299.99", "quantity": ""},
    {"title": "Philips Hue Indoor 33 Ft Smart LED Solo lightstrip Base Kit - 1 Pack - Control with Hue App - Compatible with Alexa, Google Assistant and Apple HomeKit", "asin": "", "price": "$135.99", "quantity": ""},
    {"title": "Inspired: How to Create Tech Products Customers Love (Silicon Valley Product Group)", "asin": "", "price": "$14.91", "quantity": ""},
    {"title": "Universal Principles of UX: 100 Timeless Strategies to Create Positive Interactions between People and Technology (Volume 4) (Rockport Universal, 4)", "asin": "", "price": "", "quantity": ""},
    {"title": "Design for a Better World: Meaningful, Sustainable, Humanity Centered", "asin": "", "price": "", "quantity": ""},
    {"title": "The Design of Everyday Things: Revised and Expanded Edition", "asin": "", "price": "", "quantity": ""},
    {"title": "Emotional Design: Why We Love (or Hate) Everyday Things", "asin": "", "price": "", "quantity": ""},
    {"title": "Don't Make Me Think, Revisited: A Common Sense Approach to Web Usability (3rd Edition) (Voices That Matter)", "asin": "", "price": "", "quantity": ""},
    {"title": "Hooked: How to Build Habit-Forming Products", "asin": "", "price": "", "quantity": ""},
    {"title": "Uber eGift Card - Standard", "asin": "", "price": "$15.00", "quantity": ""},
    {"title": "The Cheesecake eGift Card", "asin": "", "price": "$15.00", "quantity": ""},
    {"title": "Torrid eGift Card", "asin": "", "price": "$15.00", "quantity": ""},
    {"title": "$50 PlayStation Store Gift Card [Digital Code]", "asin": "", "price": "$50.00", "quantity": ""},
    {"title": "$10 Xbox Gift Card [Digital Code]", "asin": "", "price": "$10.00", "quantity": ""},
    {"title": "Apple iPad Air 13-inch (M2): Built for Apple Intelligence, Liquid Retina Display, 256GB, 12MP Front/Back Camera, Wi-Fi 6E + 5G Cellular, Touch ID, All-Day Battery Life \u2014 Blue", "asin": "", "price": "$944.00", "quantity": ""},
    {"title": "Apple iPad Pro 13-Inch (M4): Built for Apple Intelligence, Ultra Retina XDR Display, 256GB, 12MP Front/Back Camera, LiDAR Scanner, Wi-Fi 6E, Face ID, All-Day Battery Life \u2014 Silver", "asin": "", "price": "$1,195.00", "quantity": ""},
    {"title": "Apple iPad Pro 11-Inch (M4): Built for Apple Intelligence, Ultra Retina XDR Display, 256GB, 12MP Front/Back Camera, LiDAR Scanner, Wi-Fi 6E, Face ID, All-Day Battery Life \u2014 Space Black", "asin": "", "price": "$899.99", "quantity": ""},
    {"title": "Apple iPad Air 13-inch with M3 chip Built for Apple Intelligence, Liquid Retina Display, 128GB, 12MP Front/Back Camera, Wi-Fi 6E, Touch ID, All-Day Battery Life \u2014 Space Gray", "asin": "", "price": "$754.00", "quantity": ""},
    {"title": "Apple Magic Keyboard: iPad Keyboard and case for iPad Pro 12.9 inch (3rd, 4th, 5th and 6th gen) and iPad Air (M2), Great Typing Experience, Built-in trackpad, US English - Black", "asin": "", "price": "$349.00", "quantity": ""},
    {"title": "Apple iPad Mini (A17 Pro): Apple Intelligence, 8.3-inch Liquid Retina Display, 128GB, Wi-Fi 6E, 12MP Front/12MP Back Camera, Touch ID, All-Day Battery Life \u2014 Space Gray", "asin": "", "price": "$489.00", "quantity": ""},
    {"title": "ESR iPad Air 13 inch Case Keyboard (M3,2025/M2,2024), iPad Pro 12.9 inch Magic Keyboard, Easy-Set Floating Cantilever Stand, Precision Multi-Touch Trackpad, Rebound Series, Black\u3010NOT for Pro 13\u3011", "asin": "", "price": "$99.99", "quantity": ""},
    {"title": "typecase Keyboard Case for iPad Pro 13-inch (M4) 2024,Magic Keyboard with 11 Colors Backlight for iPad Pro 13,Keyboard Case with Pencil Holder,Multi-Touch Trackpad, Easy-Set Magnetic Stand,Black", "asin": "", "price": "$104.49", "quantity": ""},
    {"title": "Logitech Combo Touch iPad Air 13-inch (M2 & M3)(2024 & 2025) Keyboard Case - Detachable Backlit Keyboard with Kickstand, Comfortable Typing, Multi-use Mode - Midnight Black", "asin": "", "price": "$199.99", "quantity": ""},
    {"title": "typecase Touch Case with Keyboard for iPad Pro 13-inch(M4, 2024), iPad Air 13-inch(M3, 2025/M2, 2024) & iPad Pro 12.9(6th/5th/4th/3rd Gen), Trackpad, 360\u00b0 Rotatable, 11-Colors Backlit, Space Black", "asin": "", "price": "$79.99", "quantity": ""},
    {"title": "HOU Keyboard Case for iPad Pro 13 inch Case 2024 with Keyboard (M4), with Multi-Touch Trackpad, 7 Colors Backlight, Easy-Set Magnetic Stand Bluetooth-Black", "asin": "", "price": "$119.99", "quantity": ""},
    {"title": "ESR iPad Pro 13 Inch Case with Keyboard (M4, 2024), iPad Pro 13 Keyboard Case with Easy-Set Magnetic Stand, Portrait/Raised Modes for iPad Pro 13 Keyboard, Removable Case, Rebound 360 Series, Black", "asin": "", "price": "$119.99", "quantity": ""},
    {"title": "ZAGG Pro Keys 2 iPad Pro 13 (M4) Keyboard Case - Wireless Keyboard & Detachable Folio Case | Laptop-Style Backlit Keys, Multi-Pairing Bluetooth, 6.6 ft Drop Protection", "asin": "", "price": "$129.99", "quantity": ""},
    {"title": "typecase Touch iPad 10th Generation Case with Keyboard (10.9\", 2022) & iPad 11th (A16, 2025) - 360\u00b0 Rotatable, 11-Color Backlight,Multi-Touch Trackpad, Thin & Light (Black)", "asin": "", "price": "$58.47", "quantity": ""},
    {"title": "HUANUO Dual Monitor Stand for 13 to 40 inch, Premium Dual Monitor Mount with USB, Height Adjustable Monitor Stand for 2 Monitors, VESA Mount with Clamp/Grommet Base, Each Arm Hold up to 26.4lbs, Black", "asin": "", "price": "$126.99", "quantity": ""},
    {"title": "EVEO Premium Dual Monitor Mount 14\"-35\u201d Dual Monitor Arm VESA Bracket Adjustable Height Gas Spring Dual Monitor Stand, Screen Full Motion Dual Monitor Arm-Computer Monitor Stand for 2 Screens - Black", "asin": "", "price": "$109.97", "quantity": ""},
    {"title": "HUANUO Dual Monitor Stand - Full Adjustable Monitor Desk Mount Swivel Vesa Bracket with C Clamp, Grommet Mounting Base for 13 to 32 Inch Computer Screens - Each Arm Holds 4.4 to 19.8lbs", "asin": "", "price": "$49.99", "quantity": ""},
    {"title": "Dual Monitor Desk Mount up to 35 inches Screens, Max 28.6lbs Each, Heavy Duty Ultrawide Monitor Arm,Full Motion Height Adjustable Gas Spring Monitor Stand for 2 Screens, VESA 75x75mm&100x100mm", "asin": "", "price": "$129.00", "quantity": ""},
    {"title": "ErgoFocus Dual Monitor Mount for Screens up to 43\", Heavy Duty Ultrawide Dual Monitor Arm Holds Max 33lbs Each, Premium Gas Spring Adjustable Computer Monitor Stand for 2 Monitors, VESA Desk Mount", "asin": "", "price": "$129.99", "quantity": ""},
    {"title": "VIVO Heavy Duty Dual Ultra-Wide Monitor Tension Arm for 45 inch Screens up to 44 lbs per Arm, Premium Desk Mount Monitor Stand for 2 Ultrawide Screens, Black, STAND-V200E", "asin": "", "price": "$109.99", "quantity": ""},
    {"title": "HUANUO 13 to 40 Inch Dual Monitor Arm for 2 Ultrawide Screens, Height Adjustable Full Motion Stand with 2 USB Port, VESA 75/100mm Mount, Holds up to 26.4lbs per Arm, Black", "asin": "", "price": "$109.99", "quantity": ""},
    {"title": "NearHub Dual Monitor Desk Mount for 13-32 Inch Computer Screen,Adjustable Gas Spring Monitor Arm,Each Arm Holds 4.4 to 22 lbs,VESA Bracket 75X75mm 100X100mm with C Clamp & Grommet Mounting Base", "asin": "", "price": "$62.99", "quantity": ""},
    {"title": "VIVO Premium Aluminum Full Motion Dual Monitor Desk Mount Stand with Lift Engine Arm, Fits Ultrawide Screens up to 35 inches, STAND-V102BB", "asin": "", "price": "$89.99", "quantity": ""},
    {"title": "VIVO Dual Ultrawide Monitor Mount, Free-Standing Desk Stand for 2 Screens up to 38 Inches, Heavy-Duty Adjustable Arms, Max VESA 100x100mm, Black, STAND-V038F", "asin": "", "price": "$59.99", "quantity": ""},
    {"title": "MOUNTUP Dual Monitor Mount fits 17''-42'' Ultrawide Screen, Holds 6.6-33lbs, Dual Monitor Arm Desk Mount, Heavy Duty Gas Spring Monitor Stand for 2 Monitors, Vesa Mount with Clamp/Grommet Base", "asin": "", "price": "$119.99", "quantity": ""},
    {"title": "HUANUO Dual Monitor Mount up to 32 inches Screens, Taller Monitor Stand Hold 19.8lbs, Dual Monitor Arm Desk Mount Easy Adjustable with Tilt, Swivel, Rotation, VESA 75/100mm", "asin": "", "price": "$59.49", "quantity": ""},
    {"title": "VIVO Premium Aluminum Heavy Duty Dual Monitor Arm for Ultrawide Monitors up to 40 inches and 24 lbs Each, Desk Mount Stand, Pneumatic Height, Max VESA 100x100, Black, STAND-V202Q", "asin": "", "price": "$99.99", "quantity": ""},
    {"title": "HUANUO Single Monitor Arm for 40 inch Screens, Ultrawide Computer Monitor Mount Holds 26.48 lbs, Upgraded Adjustable Monitor Stand with USB, C-Clamp & Grommet Base, VESA 75x75 or 100x100mm", "asin": "", "price": "$74.99", "quantity": ""}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-21T21:25:33.640Z", // 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": "2025-04-01T00:09:12.232Z", "action": "input", "action_argument": "bike pump with gauge"}
{"timestamp": "2025-04-01T00:10:24.448Z", "action": "click_product", "action_argument": "B00XLGKU14"}
{"timestamp": "2025-04-01T17:23:13.604Z", "action": "click_product", "action_argument": "B0DLBTPDCS"}
{"timestamp": "2025-04-01T17:23:35.661Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-01T17:23:40.626Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-01T17:23:48.849Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-01T17:23:54.591Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-07T20:39:04.148Z", "action": "input", "action_argument": "rb5424D ray ban replacement nose pads"}
{"timestamp": "2025-04-07T20:39:47.542Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
{"timestamp": "2025-04-07T20:39:49.300Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
{"timestamp": "2025-04-07T20:50:58.581Z", "action": "purchase", "action_argument": "B09NVPJ9ZG"}
{"timestamp": "2025-04-10T22:31:03.659Z", "action": "input", "action_argument": "internet modem x"}
{"timestamp": "2025-04-10T22:31:03.733Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-10T22:40:15.470Z", "action": "input", "action_argument": "wifi router"}
{"timestamp": "2025-04-10T22:54:33.370Z", "action": "purchase", "action_argument": "B0B3SQK74L"}
{"timestamp": "2025-04-13T05:31:02.490Z", "action": "input", "action_argument": "man"}
{"timestamp": "2025-04-13T05:31:08.650Z", "action": "input", "action_argument": "manta sleep mask"}
{"timestamp": "2025-04-13T05:31:31.010Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T05:31:31.632Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T05:31:36.997Z", "action": "purchase", "action_argument": "B07PRG2CQY"}
{"timestamp": "2025-04-13T05:32:52.853Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-13T05:33:00.789Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:00.807Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:03.436Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:03.456Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:09.095Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:10.304Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:12.371Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:12.389Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:14.721Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:14.739Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:18.279Z", "action": "purchase", "action_argument": "B0C36K8SJJ, B07PRG2CQY"}
{"timestamp": "2025-04-13T05:34:57.418Z", "action": "purchase", "action_argument": "B0B1LZMH78"}
{"timestamp": "2025-04-13T05:36:04.658Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T05:38:31.905Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-13T22:25:47.129Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-13T22:26:41.052Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T22:27:12.817Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-13T22:31:11.321Z", "action": "purchase", "action_argument": "B08R58D9FH"}
{"timestamp": "2025-04-13T22:32:07.725Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-13T22:48:36.970Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-13T23:00:23.623Z", "action": "click_product", "action_argument": "B0DK7Q5SCN"}
{"timestamp": "2025-04-13T23:00:41.275Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-13T23:08:22.727Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-13T23:17:24.979Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-13T23:18:20.788Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-13T23:18:24.655Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-13T23:18:26.716Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:44:05.237Z", "action": "input", "action_argument": "pain relief patch"}
{"timestamp": "2025-04-19T00:46:00.072Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T00:46:04.043Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:46:14.711Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-19T00:46:35.154Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-19T00:46:50.315Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:46:50.571Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:46:52.518Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:48:38.279Z", "action": "purchase", "action_argument": "B00HA84YXE"}
{"timestamp": "2025-04-19T00:49:28.516Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:49:29.261Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:49:32.189Z", "action": "purchase", "action_argument": "B06X91GH75"}
{"timestamp": "2025-04-19T00:49:34.785Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:49:37.187Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:38.870Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:41.065Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:41.085Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:43.954Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:43.972Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:47.160Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:47.181Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:49.762Z", "action": "purchase", "action_argument": "B06X91GH75, B01AB4U6PI, B00HA84YXE, B0D42FL9CG"}
{"timestamp": "2025-04-19T00:50:39.575Z", "action": "input", "action_argument": "ipad air "}
{"timestamp": "2025-04-19T00:50:46.220Z", "action": "click_product", "action_argument": "B0D3J7N642"}
{"timestamp": "2025-04-19T00:51:00.453Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-19T06:44:30.524Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T06:44:35.493Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T06:45:41.947Z", "action": "input", "action_argument": "ipad pro 13 s"}
{"timestamp": "2025-04-19T06:45:42.025Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-19T07:30:44.590Z", "action": "purchase", "action_argument": "B0DGL2M45W"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-21T21:22:03.399Z", "action": "click_product", "action_argument": "B07PCMWTSG"}
<|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": ""
}
  ],
  "cart_items": [
    {"title": "Amazon eGift Card - Blue Smile", "asin": "B07PBLL2VD", "price": "$20.00"},
    {"title": "NETGEAR Nighthawk WiFi 6E Router (RAXE500) - Security Features, 12-Stream Gigabit Router AXE11000 Tri-Band Wireless Speed (Up to 10.8Gbps), New 6GHz Band, Coverage up to 3,500 sq. ft, 60 Devices", "asin": "B08R58D9FH", "price": "$299.97", "quantity": "1"},
    {"title": "NETGEAR Nighthawk WiFi 7 Router (BE9300) \u2013 Security Features, 9.3Gbps Wireless Speed, 2.5 Gigabit Internet Port, Tri-Band Gaming Router, Covers 2,500 sq. ft., 100 Devices, Built-in VPN, USB 3.0", "asin": "B0DK7Q5SCN", "price": "$279.99", "quantity": "1"},
    {"title": "The Invisible Computer: Why Good Products Can Fail, the Personal Computer Is So Complex, and Information Appliances Are the Solution", "asin": "0262640414", "price": "$35.00", "quantity": "1"},
    {"title": "Scenario-Based Design: Envisioning Work and Technology in System Development", "asin": "0471076597", "price": "$22.60", "quantity": "1"},
    {"title": "Things That Make Us Smart (William Patrick Book)", "asin": "0201626950", "price": "$11.33", "quantity": "1"},
    {"title": "Participatory Design: Principles and Practices", "asin": "0805809511", "price": "$99.99", "quantity": "1"},
    {"title": "The Nurnberg Funnel: Designing Minimalist Instruction for Practical Computer Skill (Technical Communication, Multimedia, and Information Systems)", "asin": "0262031639", "price": "$11.93", "quantity": "1"},
    {"title": "Computer-Supported Cooperative Work: A Book of Readings", "asin": "0934613575", "price": "$16.30", "quantity": "1"},
    {"title": "User Centered System Design: New Perspectives on Human-computer Interaction", "asin": "0898598729", "price": "$104.00", "quantity": "1"},
    {"title": "Human-Machine Reconfigurations: Plans and Situated Actions (Learning in Doing: Social, Cognitive and Computational Perspectives)", "asin": "052167588X", "price": "$44.99", "quantity": "1"},
    {"title": "The Human Use Of Human Beings", "asin": "0306803208", "price": "$8.87", "quantity": "1"},
    {"title": "Emotional Design: Why We Love (or Hate) Everyday Things", "asin": "0465051367", "price": "$10.79", "quantity": "1"},
    {"title": "The Design of Everyday Things: Revised and Expanded Edition", "asin": "0465050654", "price": "$12.77", "quantity": "1"}
  ],
  "promotion_items": [
    {"title": "NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) \u2013 Approved for Today\u2019s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps", "asin": "", "price": "$299.99", "quantity": ""},
    {"title": "Philips Hue Indoor 33 Ft Smart LED Solo lightstrip Base Kit - 1 Pack - Control with Hue App - Compatible with Alexa, Google Assistant and Apple HomeKit", "asin": "", "price": "$135.99", "quantity": ""},
    {"title": "Inspired: How to Create Tech Products Customers Love (Silicon Valley Product Group)", "asin": "", "price": "$14.91", "quantity": ""},
    {"title": "Universal Principles of UX: 100 Timeless Strategies to Create Positive Interactions between People and Technology (Volume 4) (Rockport Universal, 4)", "asin": "", "price": "", "quantity": ""},
    {"title": "Design for a Better World: Meaningful, Sustainable, Humanity Centered", "asin": "", "price": "", "quantity": ""},
    {"title": "The Design of Everyday Things: Revised and Expanded Edition", "asin": "", "price": "", "quantity": ""},
    {"title": "Emotional Design: Why We Love (or Hate) Everyday Things", "asin": "", "price": "", "quantity": ""},
    {"title": "Don't Make Me Think, Revisited: A Common Sense Approach to Web Usability (3rd Edition) (Voices That Matter)", "asin": "", "price": "", "quantity": ""},
    {"title": "Hooked: How to Build Habit-Forming Products", "asin": "", "price": "", "quantity": ""},
    {"title": "Uber eGift Card - Standard", "asin": "", "price": "$15.00", "quantity": ""},
    {"title": "The Cheesecake eGift Card", "asin": "", "price": "$15.00", "quantity": ""},
    {"title": "Torrid eGift Card", "asin": "", "price": "$15.00", "quantity": ""},
    {"title": "$50 PlayStation Store Gift Card [Digital Code]", "asin": "", "price": "$50.00", "quantity": ""},
    {"title": "$10 Xbox Gift Card [Digital Code]", "asin": "", "price": "$10.00", "quantity": ""},
    {"title": "Apple iPad Air 13-inch (M2): Built for Apple Intelligence, Liquid Retina Display, 256GB, 12MP Front/Back Camera, Wi-Fi 6E + 5G Cellular, Touch ID, All-Day Battery Life \u2014 Blue", "asin": "", "price": "$944.00", "quantity": ""},
    {"title": "Apple iPad Pro 13-Inch (M4): Built for Apple Intelligence, Ultra Retina XDR Display, 256GB, 12MP Front/Back Camera, LiDAR Scanner, Wi-Fi 6E, Face ID, All-Day Battery Life \u2014 Silver", "asin": "", "price": "$1,195.00", "quantity": ""},
    {"title": "Apple iPad Pro 11-Inch (M4): Built for Apple Intelligence, Ultra Retina XDR Display, 256GB, 12MP Front/Back Camera, LiDAR Scanner, Wi-Fi 6E, Face ID, All-Day Battery Life \u2014 Space Black", "asin": "", "price": "$899.99", "quantity": ""},
    {"title": "Apple iPad Air 13-inch with M3 chip Built for Apple Intelligence, Liquid Retina Display, 128GB, 12MP Front/Back Camera, Wi-Fi 6E, Touch ID, All-Day Battery Life \u2014 Space Gray", "asin": "", "price": "$754.00", "quantity": ""},
    {"title": "Apple Magic Keyboard: iPad Keyboard and case for iPad Pro 12.9 inch (3rd, 4th, 5th and 6th gen) and iPad Air (M2), Great Typing Experience, Built-in trackpad, US English - Black", "asin": "", "price": "$349.00", "quantity": ""},
    {"title": "Apple iPad Mini (A17 Pro): Apple Intelligence, 8.3-inch Liquid Retina Display, 128GB, Wi-Fi 6E, 12MP Front/12MP Back Camera, Touch ID, All-Day Battery Life \u2014 Space Gray", "asin": "", "price": "$489.00", "quantity": ""},
    {"title": "ESR iPad Air 13 inch Case Keyboard (M3,2025/M2,2024), iPad Pro 12.9 inch Magic Keyboard, Easy-Set Floating Cantilever Stand, Precision Multi-Touch Trackpad, Rebound Series, Black\u3010NOT for Pro 13\u3011", "asin": "", "price": "$99.99", "quantity": ""},
    {"title": "typecase Keyboard Case for iPad Pro 13-inch (M4) 2024,Magic Keyboard with 11 Colors Backlight for iPad Pro 13,Keyboard Case with Pencil Holder,Multi-Touch Trackpad, Easy-Set Magnetic Stand,Black", "asin": "", "price": "$104.49", "quantity": ""},
    {"title": "Logitech Combo Touch iPad Air 13-inch (M2 & M3)(2024 & 2025) Keyboard Case - Detachable Backlit Keyboard with Kickstand, Comfortable Typing, Multi-use Mode - Midnight Black", "asin": "", "price": "$199.99", "quantity": ""},
    {"title": "typecase Touch Case with Keyboard for iPad Pro 13-inch(M4, 2024), iPad Air 13-inch(M3, 2025/M2, 2024) & iPad Pro 12.9(6th/5th/4th/3rd Gen), Trackpad, 360\u00b0 Rotatable, 11-Colors Backlit, Space Black", "asin": "", "price": "$79.99", "quantity": ""},
    {"title": "HOU Keyboard Case for iPad Pro 13 inch Case 2024 with Keyboard (M4), with Multi-Touch Trackpad, 7 Colors Backlight, Easy-Set Magnetic Stand Bluetooth-Black", "asin": "", "price": "$119.99", "quantity": ""},
    {"title": "ESR iPad Pro 13 Inch Case with Keyboard (M4, 2024), iPad Pro 13 Keyboard Case with Easy-Set Magnetic Stand, Portrait/Raised Modes for iPad Pro 13 Keyboard, Removable Case, Rebound 360 Series, Black", "asin": "", "price": "$119.99", "quantity": ""},
    {"title": "ZAGG Pro Keys 2 iPad Pro 13 (M4) Keyboard Case - Wireless Keyboard & Detachable Folio Case | Laptop-Style Backlit Keys, Multi-Pairing Bluetooth, 6.6 ft Drop Protection", "asin": "", "price": "$129.99", "quantity": ""},
    {"title": "typecase Touch iPad 10th Generation Case with Keyboard (10.9\", 2022) & iPad 11th (A16, 2025) - 360\u00b0 Rotatable, 11-Color Backlight,Multi-Touch Trackpad, Thin & Light (Black)", "asin": "", "price": "$58.47", "quantity": ""},
    {"title": "HUANUO Dual Monitor Stand for 13 to 40 inch, Premium Dual Monitor Mount with USB, Height Adjustable Monitor Stand for 2 Monitors, VESA Mount with Clamp/Grommet Base, Each Arm Hold up to 26.4lbs, Black", "asin": "", "price": "$126.99", "quantity": ""},
    {"title": "EVEO Premium Dual Monitor Mount 14\"-35\u201d Dual Monitor Arm VESA Bracket Adjustable Height Gas Spring Dual Monitor Stand, Screen Full Motion Dual Monitor Arm-Computer Monitor Stand for 2 Screens - Black", "asin": "", "price": "$109.97", "quantity": ""},
    {"title": "HUANUO Dual Monitor Stand - Full Adjustable Monitor Desk Mount Swivel Vesa Bracket with C Clamp, Grommet Mounting Base for 13 to 32 Inch Computer Screens - Each Arm Holds 4.4 to 19.8lbs", "asin": "", "price": "$49.99", "quantity": ""},
    {"title": "Dual Monitor Desk Mount up to 35 inches Screens, Max 28.6lbs Each, Heavy Duty Ultrawide Monitor Arm,Full Motion Height Adjustable Gas Spring Monitor Stand for 2 Screens, VESA 75x75mm&100x100mm", "asin": "", "price": "$129.00", "quantity": ""},
    {"title": "ErgoFocus Dual Monitor Mount for Screens up to 43\", Heavy Duty Ultrawide Dual Monitor Arm Holds Max 33lbs Each, Premium Gas Spring Adjustable Computer Monitor Stand for 2 Monitors, VESA Desk Mount", "asin": "", "price": "$129.99", "quantity": ""},
    {"title": "VIVO Heavy Duty Dual Ultra-Wide Monitor Tension Arm for 45 inch Screens up to 44 lbs per Arm, Premium Desk Mount Monitor Stand for 2 Ultrawide Screens, Black, STAND-V200E", "asin": "", "price": "$109.99", "quantity": ""},
    {"title": "HUANUO 13 to 40 Inch Dual Monitor Arm for 2 Ultrawide Screens, Height Adjustable Full Motion Stand with 2 USB Port, VESA 75/100mm Mount, Holds up to 26.4lbs per Arm, Black", "asin": "", "price": "$109.99", "quantity": ""},
    {"title": "NearHub Dual Monitor Desk Mount for 13-32 Inch Computer Screen,Adjustable Gas Spring Monitor Arm,Each Arm Holds 4.4 to 22 lbs,VESA Bracket 75X75mm 100X100mm with C Clamp & Grommet Mounting Base", "asin": "", "price": "$62.99", "quantity": ""},
    {"title": "VIVO Premium Aluminum Full Motion Dual Monitor Desk Mount Stand with Lift Engine Arm, Fits Ultrawide Screens up to 35 inches, STAND-V102BB", "asin": "", "price": "$89.99", "quantity": ""},
    {"title": "VIVO Dual Ultrawide Monitor Mount, Free-Standing Desk Stand for 2 Screens up to 38 Inches, Heavy-Duty Adjustable Arms, Max VESA 100x100mm, Black, STAND-V038F", "asin": "", "price": "$59.99", "quantity": ""},
    {"title": "MOUNTUP Dual Monitor Mount fits 17''-42'' Ultrawide Screen, Holds 6.6-33lbs, Dual Monitor Arm Desk Mount, Heavy Duty Gas Spring Monitor Stand for 2 Monitors, Vesa Mount with Clamp/Grommet Base", "asin": "", "price": "$119.99", "quantity": ""},
    {"title": "HUANUO Dual Monitor Mount up to 32 inches Screens, Taller Monitor Stand Hold 19.8lbs, Dual Monitor Arm Desk Mount Easy Adjustable with Tilt, Swivel, Rotation, VESA 75/100mm", "asin": "", "price": "$59.49", "quantity": ""},
    {"title": "VIVO Premium Aluminum Heavy Duty Dual Monitor Arm for Ultrawide Monitors up to 40 inches and 24 lbs Each, Desk Mount Stand, Pneumatic Height, Max VESA 100x100, Black, STAND-V202Q", "asin": "", "price": "$99.99", "quantity": ""},
    {"title": "HUANUO Single Monitor Arm for 40 inch Screens, Ultrawide Computer Monitor Mount Holds 26.48 lbs, Upgraded Adjustable Monitor Stand with USB, C-Clamp & Grommet Base, VESA 75x75 or 100x100mm", "asin": "", "price": "$74.99", "quantity": ""}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-21T21:25:33.640Z", // 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": "2025-04-01T00:09:12.232Z", "action": "input", "action_argument": "bike pump with gauge"}
{"timestamp": "2025-04-01T00:10:24.448Z", "action": "click_product", "action_argument": "B00XLGKU14"}
{"timestamp": "2025-04-01T17:23:13.604Z", "action": "click_product", "action_argument": "B0DLBTPDCS"}
{"timestamp": "2025-04-01T17:23:35.661Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-01T17:23:40.626Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-01T17:23:48.849Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-01T17:23:54.591Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-07T20:39:04.148Z", "action": "input", "action_argument": "rb5424D ray ban replacement nose pads"}
{"timestamp": "2025-04-07T20:39:47.542Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
{"timestamp": "2025-04-07T20:39:49.300Z", "action": "input", "action_argument": "ray ban replacement nose pads"}
{"timestamp": "2025-04-07T20:50:58.581Z", "action": "purchase", "action_argument": "B09NVPJ9ZG"}
{"timestamp": "2025-04-10T22:31:03.659Z", "action": "input", "action_argument": "internet modem x"}
{"timestamp": "2025-04-10T22:31:03.733Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-10T22:40:15.470Z", "action": "input", "action_argument": "wifi router"}
{"timestamp": "2025-04-10T22:54:33.370Z", "action": "purchase", "action_argument": "B0B3SQK74L"}
{"timestamp": "2025-04-13T05:31:02.490Z", "action": "input", "action_argument": "man"}
{"timestamp": "2025-04-13T05:31:08.650Z", "action": "input", "action_argument": "manta sleep mask"}
{"timestamp": "2025-04-13T05:31:31.010Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T05:31:31.632Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T05:31:36.997Z", "action": "purchase", "action_argument": "B07PRG2CQY"}
{"timestamp": "2025-04-13T05:32:52.853Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-13T05:33:00.789Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:00.807Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:03.436Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:03.456Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:09.095Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:10.304Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:12.371Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:12.389Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:14.721Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:14.739Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-13T05:33:18.279Z", "action": "purchase", "action_argument": "B0C36K8SJJ, B07PRG2CQY"}
{"timestamp": "2025-04-13T05:34:57.418Z", "action": "purchase", "action_argument": "B0B1LZMH78"}
{"timestamp": "2025-04-13T05:36:04.658Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T05:38:31.905Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-13T22:25:47.129Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-13T22:26:41.052Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-13T22:27:12.817Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-13T22:31:11.321Z", "action": "purchase", "action_argument": "B08R58D9FH"}
{"timestamp": "2025-04-13T22:32:07.725Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-13T22:48:36.970Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-13T23:00:23.623Z", "action": "click_product", "action_argument": "B0DK7Q5SCN"}
{"timestamp": "2025-04-13T23:00:41.275Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-13T23:08:22.727Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-13T23:17:24.979Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-13T23:18:20.788Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-13T23:18:24.655Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-13T23:18:26.716Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:44:05.237Z", "action": "input", "action_argument": "pain relief patch"}
{"timestamp": "2025-04-19T00:46:00.072Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T00:46:04.043Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:46:14.711Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-19T00:46:35.154Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-19T00:46:50.315Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:46:50.571Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:46:52.518Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:48:38.279Z", "action": "purchase", "action_argument": "B00HA84YXE"}
{"timestamp": "2025-04-19T00:49:28.516Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:49:29.261Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T00:49:32.189Z", "action": "purchase", "action_argument": "B06X91GH75"}
{"timestamp": "2025-04-19T00:49:34.785Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T00:49:37.187Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:38.870Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:41.065Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:41.085Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:43.954Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:43.972Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:47.160Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:47.181Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-19T00:49:49.762Z", "action": "purchase", "action_argument": "B06X91GH75, B01AB4U6PI, B00HA84YXE, B0D42FL9CG"}
{"timestamp": "2025-04-19T00:50:39.575Z", "action": "input", "action_argument": "ipad air "}
{"timestamp": "2025-04-19T00:50:46.220Z", "action": "click_product", "action_argument": "B0D3J7N642"}
{"timestamp": "2025-04-19T00:51:00.453Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-19T06:44:30.524Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T06:44:35.493Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-19T06:45:41.947Z", "action": "input", "action_argument": "ipad pro 13 s"}
{"timestamp": "2025-04-19T06:45:42.025Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-19T07:30:44.590Z", "action": "purchase", "action_argument": "B0DGL2M45W"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-21T21:22:03.399Z", "action": "click_product", "action_argument": "B07PCMWTSG"}
<|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": ""
}
  ],
  "cart_items": [
    {"title": "Amazon eGift Card - Blue Smile", "asin": "B07PBLL2VD", "price": "$20.00"},
    {"title": "NETGEAR Nighthawk WiFi 6E Router (RAXE500) - Security Features, 12-Stream Gigabit Router AXE11000 Tri-Band Wireless Speed (Up to 10.8Gbps), New 6GHz Band, Coverage up to 3,500 sq. ft, 60 Devices", "asin": "B08R58D9FH", "price": "$299.97", "quantity": "1"},
    {"title": "NETGEAR Nighthawk WiFi 7 Router (BE9300) \u2013 Security Features, 9.3Gbps Wireless Speed, 2.5 Gigabit Internet Port, Tri-Band Gaming Router, Covers 2,500 sq. ft., 100 Devices, Built-in VPN, USB 3.0", "asin": "B0DK7Q5SCN", "price": "$279.99", "quantity": "1"},
    {"title": "The Invisible Computer: Why Good Products Can Fail, the Personal Computer Is So Complex, and Information Appliances Are the Solution", "asin": "0262640414", "price": "$35.00", "quantity": "1"},
    {"title": "Scenario-Based Design: Envisioning Work and Technology in System Development", "asin": "0471076597", "price": "$22.60", "quantity": "1"},
    {"title": "Things That Make Us Smart (William Patrick Book)", "asin": "0201626950", "price": "$11.33", "quantity": "1"},
    {"title": "Participatory Design: Principles and Practices", "asin": "0805809511", "price": "$99.99", "quantity": "1"},
    {"title": "The Nurnberg Funnel: Designing Minimalist Instruction for Practical Computer Skill (Technical Communication, Multimedia, and Information Systems)", "asin": "0262031639", "price": "$11.93", "quantity": "1"},
    {"title": "Computer-Supported Cooperative Work: A Book of Readings", "asin": "0934613575", "price": "$16.30", "quantity": "1"},
    {"title": "User Centered System Design: New Perspectives on Human-computer Interaction", "asin": "0898598729", "price": "$104.00", "quantity": "1"},
    {"title": "Human-Machine Reconfigurations: Plans and Situated Actions (Learning in Doing: Social, Cognitive and Computational Perspectives)", "asin": "052167588X", "price": "$44.99", "quantity": "1"},
    {"title": "The Human Use Of Human Beings", "asin": "0306803208", "price": "$8.87", "quantity": "1"},
    {"title": "Emotional Design: Why We Love (or Hate) Everyday Things", "asin": "0465051367", "price": "$10.79", "quantity": "1"},
    {"title": "The Design of Everyday Things: Revised and Expanded Edition", "asin": "0465050654", "price": "$12.77", "quantity": "1"}
  ],
  "promotion_items": [
    {"title": "NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) \u2013 Approved for Today\u2019s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps", "asin": "", "price": "$299.99", "quantity": ""},
    {"title": "Philips Hue Indoor 33 Ft Smart LED Solo lightstrip Base Kit - 1 Pack - Control with Hue App - Compatible with Alexa, Google Assistant and Apple HomeKit", "asin": "", "price": "$135.99", "quantity": ""},
    {"title": "Inspired: How to Create Tech Products Customers Love (Silicon Valley Product Group)", "asin": "", "price": "$14.91", "quantity": ""},
    {"title": "Universal Principles of UX: 100 Timeless Strategies to Create Positive Interactions between People and Technology (Volume 4) (Rockport Universal, 4)", "asin": "", "price": "", "quantity": ""},
    {"title": "Design for a Better World: Meaningful, Sustainable, Humanity Centered", "asin": "", "price": "", "quantity": ""},
    {"title": "The Design of Everyday Things: Revised and Expanded Edition", "asin": "", "price": "", "quantity": ""},
    {"title": "Emotional Design: Why We Love (or Hate) Everyday Things", "asin": "", "price": "", "quantity": ""},
    {"title": "Don't Make Me Think, Revisited: A Common Sense Approach to Web Usability (3rd Edition) (Voices That Matter)", "asin": "", "price": "", "quantity": ""},
    {"title": "Hooked: How to Build Habit-Forming Products", "asin": "", "price": "", "quantity": ""},
    {"title": "Uber eGift Card - Standard", "asin": "", "price": "$15.00", "quantity": ""},
    {"title": "The Cheesecake eGift Card", "asin": "", "price": "$15.00", "quantity": ""},
    {"title": "Torrid eGift Card", "asin": "", "price": "$15.00", "quantity": ""},
    {"title": "$50 PlayStation Store Gift Card [Digital Code]", "asin": "", "price": "$50.00", "quantity": ""},
    {"title": "$10 Xbox Gift Card [Digital Code]", "asin": "", "price": "$10.00", "quantity": ""},
    {"title": "Apple iPad Air 13-inch (M2): Built for Apple Intelligence, Liquid Retina Display, 256GB, 12MP Front/Back Camera, Wi-Fi 6E + 5G Cellular, Touch ID, All-Day Battery Life \u2014 Blue", "asin": "", "price": "$944.00", "quantity": ""},
    {"title": "Apple iPad Pro 13-Inch (M4): Built for Apple Intelligence, Ultra Retina XDR Display, 256GB, 12MP Front/Back Camera, LiDAR Scanner, Wi-Fi 6E, Face ID, All-Day Battery Life \u2014 Silver", "asin": "", "price": "$1,195.00", "quantity": ""},
    {"title": "Apple iPad Pro 11-Inch (M4): Built for Apple Intelligence, Ultra Retina XDR Display, 256GB, 12MP Front/Back Camera, LiDAR Scanner, Wi-Fi 6E, Face ID, All-Day Battery Life \u2014 Space Black", "asin": "", "price": "$899.99", "quantity": ""},
    {"title": "Apple iPad Air 13-inch with M3 chip Built for Apple Intelligence, Liquid Retina Display, 128GB, 12MP Front/Back Camera, Wi-Fi 6E, Touch ID, All-Day Battery Life \u2014 Space Gray", "asin": "", "price": "$754.00", "quantity": ""},
    {"title": "Apple Magic Keyboard: iPad Keyboard and case for iPad Pro 12.9 inch (3rd, 4th, 5th and 6th gen) and iPad Air (M2), Great Typing Experience, Built-in trackpad, US English - Black", "asin": "", "price": "$349.00", "quantity": ""},
    {"title": "Apple iPad Mini (A17 Pro): Apple Intelligence, 8.3-inch Liquid Retina Display, 128GB, Wi-Fi 6E, 12MP Front/12MP Back Camera, Touch ID, All-Day Battery Life \u2014 Space Gray", "asin": "", "price": "$489.00", "quantity": ""},
    {"title": "ESR iPad Air 13 inch Case Keyboard (M3,2025/M2,2024), iPad Pro 12.9 inch Magic Keyboard, Easy-Set Floating Cantilever Stand, Precision Multi-Touch Trackpad, Rebound Series, Black\u3010NOT for Pro 13\u3011", "asin": "", "price": "$99.99", "quantity": ""},
    {"title": "typecase Keyboard Case for iPad Pro 13-inch (M4) 2024,Magic Keyboard with 11 Colors Backlight for iPad Pro 13,Keyboard Case with Pencil Holder,Multi-Touch Trackpad, Easy-Set Magnetic Stand,Black", "asin": "", "price": "$104.49", "quantity": ""},
    {"title": "Logitech Combo Touch iPad Air 13-inch (M2 & M3)(2024 & 2025) Keyboard Case - Detachable Backlit Keyboard with Kickstand, Comfortable Typing, Multi-use Mode - Midnight Black", "asin": "", "price": "$199.99", "quantity": ""},
    {"title": "typecase Touch Case with Keyboard for iPad Pro 13-inch(M4, 2024), iPad Air 13-inch(M3, 2025/M2, 2024) & iPad Pro 12.9(6th/5th/4th/3rd Gen), Trackpad, 360\u00b0 Rotatable, 11-Colors Backlit, Space Black", "asin": "", "price": "$79.99", "quantity": ""},
    {"title": "HOU Keyboard Case for iPad Pro 13 inch Case 2024 with Keyboard (M4), with Multi-Touch Trackpad, 7 Colors Backlight, Easy-Set Magnetic Stand Bluetooth-Black", "asin": "", "price": "$119.99", "quantity": ""},
    {"title": "ESR iPad Pro 13 Inch Case with Keyboard (M4, 2024), iPad Pro 13 Keyboard Case with Easy-Set Magnetic Stand, Portrait/Raised Modes for iPad Pro 13 Keyboard, Removable Case, Rebound 360 Series, Black", "asin": "", "price": "$119.99", "quantity": ""},
    {"title": "ZAGG Pro Keys 2 iPad Pro 13 (M4) Keyboard Case - Wireless Keyboard & Detachable Folio Case | Laptop-Style Backlit Keys, Multi-Pairing Bluetooth, 6.6 ft Drop Protection", "asin": "", "price": "$129.99", "quantity": ""},
    {"title": "typecase Touch iPad 10th Generation Case with Keyboard (10.9\", 2022) & iPad 11th (A16, 2025) - 360\u00b0 Rotatable, 11-Color Backlight,Multi-Touch Trackpad, Thin & Light (Black)", "asin": "", "price": "$58.47", "quantity": ""},
    {"title": "HUANUO Dual Monitor Stand for 13 to 40 inch, Premium Dual Monitor Mount with USB, Height Adjustable Monitor Stand for 2 Monitors, VESA Mount with Clamp/Grommet Base, Each Arm Hold up to 26.4lbs, Black", "asin": "", "price": "$126.99", "quantity": ""},
    {"title": "EVEO Premium Dual Monitor Mount 14\"-35\u201d Dual Monitor Arm VESA Bracket Adjustable Height Gas Spring Dual Monitor Stand, Screen Full Motion Dual Monitor Arm-Computer Monitor Stand for 2 Screens - Black", "asin": "", "price": "$109.97", "quantity": ""},
    {"title": "HUANUO Dual Monitor Stand - Full Adjustable Monitor Desk Mount Swivel Vesa Bracket with C Clamp, Grommet Mounting Base for 13 to 32 Inch Computer Screens - Each Arm Holds 4.4 to 19.8lbs", "asin": "", "price": "$49.99", "quantity": ""},
    {"title": "Dual Monitor Desk Mount up to 35 inches Screens, Max 28.6lbs Each, Heavy Duty Ultrawide Monitor Arm,Full Motion Height Adjustable Gas Spring Monitor Stand for 2 Screens, VESA 75x75mm&100x100mm", "asin": "", "price": "$129.00", "quantity": ""},
    {"title": "ErgoFocus Dual Monitor Mount for Screens up to 43\", Heavy Duty Ultrawide Dual Monitor Arm Holds Max 33lbs Each, Premium Gas Spring Adjustable Computer Monitor Stand for 2 Monitors, VESA Desk Mount", "asin": "", "price": "$129.99", "quantity": ""},
    {"title": "VIVO Heavy Duty Dual Ultra-Wide Monitor Tension Arm for 45 inch Screens up to 44 lbs per Arm, Premium Desk Mount Monitor Stand for 2 Ultrawide Screens, Black, STAND-V200E", "asin": "", "price": "$109.99", "quantity": ""},
    {"title": "HUANUO 13 to 40 Inch Dual Monitor Arm for 2 Ultrawide Screens, Height Adjustable Full Motion Stand with 2 USB Port, VESA 75/100mm Mount, Holds up to 26.4lbs per Arm, Black", "asin": "", "price": "$109.99", "quantity": ""},
    {"title": "NearHub Dual Monitor Desk Mount for 13-32 Inch Computer Screen,Adjustable Gas Spring Monitor Arm,Each Arm Holds 4.4 to 22 lbs,VESA Bracket 75X75mm 100X100mm with C Clamp & Grommet Mounting Base", "asin": "", "price": "$62.99", "quantity": ""},
    {"title": "VIVO Premium Aluminum Full Motion Dual Monitor Desk Mount Stand with Lift Engine Arm, Fits Ultrawide Screens up to 35 inches, STAND-V102BB", "asin": "", "price": "$89.99", "quantity": ""},
    {"title": "VIVO Dual Ultrawide Monitor Mount, Free-Standing Desk Stand for 2 Screens up to 38 Inches, Heavy-Duty Adjustable Arms, Max VESA 100x100mm, Black, STAND-V038F", "asin": "", "price": "$59.99", "quantity": ""},
    {"title": "MOUNTUP Dual Monitor Mount fits 17''-42'' Ultrawide Screen, Holds 6.6-33lbs, Dual Monitor Arm Desk Mount, Heavy Duty Gas Spring Monitor Stand for 2 Monitors, Vesa Mount with Clamp/Grommet Base", "asin": "", "price": "$119.99", "quantity": ""},
    {"title": "HUANUO Dual Monitor Mount up to 32 inches Screens, Taller Monitor Stand Hold 19.8lbs, Dual Monitor Arm Desk Mount Easy Adjustable with Tilt, Swivel, Rotation, VESA 75/100mm", "asin": "", "price": "$59.49", "quantity": ""},
    {"title": "VIVO Premium Aluminum Heavy Duty Dual Monitor Arm for Ultrawide Monitors up to 40 inches and 24 lbs Each, Desk Mount Stand, Pneumatic Height, Max VESA 100x100, Black, STAND-V202Q", "asin": "", "price": "$99.99", "quantity": ""},
    {"title": "HUANUO Single Monitor Arm for 40 inch Screens, Ultrawide Computer Monitor Mount Holds 26.48 lbs, Upgraded Adjustable Monitor Stand with USB, C-Clamp & Grommet Base, VESA 75x75 or 100x100mm", "asin": "", "price": "$74.99", "quantity": ""}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-21T21:25:33.640Z", // 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>
