task/user_cold_start/amazon/tasks/task_21.json

{
  "type": "recommendation",
  "candidate_category": "product",
  "user_id": "AEVBU2W4CNIZKB6Y35OKKB3NQDVA",
  "candidate_list": [
    "B0036ECH3U",
    "B08Y59P6D1",
    "B00EOVM8D8",
    "B0BGYD6GM9",
    "B001HWC39Q",
    "B004OA085E",
    "B000VTIT7Q",
    "B000035Y6B",
    "B00EK6HZBC",
    "B0146X0N12",
    "B07BT2DQYT",
    "B084J45N4V",
    "B0BTSSVT6K",
    "B0B8M7T4NC",
    "B094PZN6FX",
    "B0BFQZVM7L",
    "B07PVL82WC",
    "B07K4DBY41",
    "B003EUIOG0",
    "B004FLN6TM"
  ],
  "loc": [
    -1,
    -1
  ]
}