{
  "sessions": [
    {
      "id": "S1",
      "name": "展览导览",
      "start": "09:00",
      "end": "09:40",
      "venue": "一层大厅"
    },
    {
      "id": "S2",
      "name": "手作工作坊",
      "start": "10:00",
      "end": "10:50",
      "venue": "二层教室"
    },
    {
      "id": "S3",
      "name": "策展分享",
      "start": "10:00",
      "end": "10:50",
      "venue": null
    },
    {
      "id": "S4",
      "name": "开放交流",
      "start": "11:00",
      "end": "11:40",
      "venue": "一层大厅"
    }
  ],
  "cases": [
    {
      "id": "早到",
      "arrival": "08:50",
      "selected": [
        "S1",
        "S2",
        "S4"
      ]
    },
    {
      "id": "晚到",
      "arrival": "09:30",
      "selected": [
        "S1",
        "S2"
      ]
    },
    {
      "id": "冲突",
      "arrival": "08:50",
      "selected": [
        "S2",
        "S3"
      ]
    }
  ]
}