{
  "winner": "B",
  "checks": [
    {
      "fact": "电池容量5000mAh",
      "A_correct": true,
      "B_correct": true
    },
    {
      "fact": "保修2年",
      "A_correct": false,
      "B_correct": true
    },
    {
      "fact": "包装不含充电器",
      "A_correct": false,
      "B_correct": true
    }
  ]
}