{
  "sources": [
    {
      "id": "storage-notes",
      "title": "Seed library storage",
      "text": "The seed library stores dry seeds in paper envelopes. Each packet records the harvest year. A blue dot marks a packet ready for exchange."
    },
    {
      "id": "catalog-notes",
      "title": "Catalog rules",
      "text": "Volunteers sort the catalog by plant name. A borrowed packet stays in the catalog until its return is recorded."
    }
  ],
  "cards": [
    {
      "id": "storage",
      "sourceId": "storage-notes",
      "question": "What container stores the dry seeds?",
      "answer": "paper envelopes",
      "accepted": [
        "a paper envelope"
      ],
      "start": 0,
      "end": 53
    },
    {
      "id": "year",
      "sourceId": "storage-notes",
      "question": "Which year does each packet record?",
      "answer": "harvest year",
      "accepted": [],
      "start": 54,
      "end": 91
    },
    {
      "id": "sort",
      "sourceId": "catalog-notes",
      "question": "What field do volunteers sort the catalog by?",
      "answer": "plant name",
      "accepted": [],
      "start": 0,
      "end": 42
    }
  ]
}