{
  "fixture": true,
  "images": [
    {
      "image_id": "image_A",
      "label_color": "purple",
      "net_weight": "250 g",
      "brand": "DEMO TEA"
    },
    {
      "image_id": "image_B",
      "label_color": "green",
      "net_weight": "200 g",
      "brand": "DEMO TEA"
    }
  ],
  "differences": [
    "标签颜色",
    "净含量文字"
  ],
  "unchanged": [
    "品牌文字 DEMO TEA"
  ]
}