task/item_cold_start/amazon/tasks/task_21.json

{
  "type": "recommendation",
  "candidate_category": "product",
  "user_id": "AET456SV5KEEOBGGHEAHTRNEG52Q",
  "candidate_list": [
    "B0042CCCGW",
    "B09Q8JWTR9",
    "B09NBLR5MQ",
    "B0052AU0HQ",
    "B01JA6FNPQ",
    "B0BYVFVGXB",
    "B0C1S4Q4LZ",
    "B002X36HPO",
    "B0085XQSS2",
    "B0828C2TDB",
    "B0C7VPL39H",
    "B00ME7YUIU",
    "B092QP4VG8",
    "B0BY27C74D",
    "B01ALHKVS2",
    "B09174BW23",
    "B09GL8TMWX",
    "B00WA7VSIY",
    "B07PFCZ716",
    "B09VT2M7HR"
  ],
  "loc": [
    -1,
    -1
  ]
}