{
  "id": "7d7ba7d56abb",
  "levels": 1,
  "challenges": [
    {
      "type": "options",
      "formInTargetLanguage": "perro",
      "meaningInSourceLanguage": "dog",
      "id": "5075bbb5a7df",
      "priority": 0,
      "group": "7a11c5eab89e"
    },
    {
      "type": "listeningExercise",
      "answer": "perro",
      "meaning": "dog",
      "audio": "ec7c10ee24ad5f0e4ce849100627093c241de12de6f58fe86eccd0e15a86d98e",
      "id": "cd183d15d4d1",
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    },
    {
      "type": "cards",
      "pictures": [
        "dog1.jpg",
        "dog2.jpg",
        "dog3.jpg"
      ],
      "formInTargetLanguage": "perro",
      "meaningInSourceLanguage": "the dog",
      "id": "b3187e8da3c9",
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    },
    {
      "type": "shortInput",
      "pictures": [
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        "dog2.jpg",
        "dog3.jpg"
      ],
      "formInTargetLanguage": [
        "perro",
        "el can",
        "can",
        "el perro"
      ],
      "phrase": [
        {
          "word": "the",
          "definition": "el\nla"
        },
        {
          "word": "dog",
          "definition": "can\nperro"
        }
      ],
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      "priority": 1,
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    },
    {
      "type": "listeningExercise",
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}