task/user_cold_start/amazon/tasks/task_4.json

{
  "type": "recommendation",
  "candidate_category": "product",
  "user_id": "AE5V7234I5USP6ROSVOLVEIMWYBQ",
  "candidate_list": [
    "B003MPA5GO",
    "B00008J2V0",
    "B00004YUBX",
    "B00YUQTUW4",
    "B09WMDPBJK",
    "B0795CH796",
    "B01BD01XRO",
    "B06XRK2FHM",
    "B0727V758W",
    "B074C6951J",
    "B002E1JGTO",
    "B01N9C1KZB",
    "B0BVPBS1CH",
    "B08K4VF8Q4",
    "B091SZRH3F",
    "B001FPBZBC",
    "B00T3GJL8O",
    "B06XWK5CL2",
    "B01M6C7YE8",
    "B0002F4TKU"
  ],
  "loc": [
    -1,
    -1
  ]
}