[
  {
    "grade": "031001",
    "vocab": [
      "listen to an audio guide",
      "take a photo",
      "draw a picture",
      "visit the gift shop",
      "welcome",
      "museum",
      "pass"
    ],
    "phonics": null,
    "grammar": []
  },
  {
    "grade": "031002",
    "vocab": [
      "listen to an audio guide",
      "take a photo",
      "draw a picture",
      "visit the gift shop"
    ],
    "phonics": null,
    "grammar": [
      "May I ...?",
      "Yes, you may.",
      "No, you may not."
    ]
  },
  {
    "grade": "031003",
    "vocab": [
      "old",
      "new",
      "great"
    ],
    "phonics": null,
    "grammar": []
  },
  {
    "grade": "031004",
    "vocab": [
      "boat",
      "goat",
      "toy",
      "boy"
    ],
    "phonics": [
      "/oʊ/ (oa)",
      "/ɔɪ/ (oy)"
    ],
    "grammar": []
  },
  {
    "grade": "031005",
    "vocab": [
      "beach"
    ],
    "phonics": null,
    "grammar": []
  },
  {
    "grade": "031006",
    "vocab": [],
    "phonics": null,
    "grammar": [
      "May I ...?",
      "Yes, you may.",
      "No, you may not."
    ]
  }
]