task/item_cold_start/amazon/tasks/task_12.json

{
  "type": "recommendation",
  "candidate_category": "product",
  "user_id": "AEJL5PEBIYU3YA3QLNGKVM37GE2A",
  "candidate_list": [
    "B00JZCC9VC",
    "B0BD29JGQ5",
    "B005XP5HO6",
    "B0BWJ1SP7Q",
    "B07B3X1XH8",
    "B005188DPK",
    "B07WDQC48T",
    "B00178IXYY",
    "B0BD4N7P9C",
    "B07WVFDZXC",
    "B008CXUUZ2",
    "B00B5LDMH6",
    "B071NBJJ2Q",
    "B091SVZ1ZB",
    "B00004TNEY",
    "B003QMLVQQ",
    "B01LABLTRU",
    "B00721DSMC",
    "B0751B6DZV",
    "B00D0E8EFQ"
  ],
  "loc": [
    -1,
    -1
  ]
}