{
  "engine": "standard",
  "language": "English",
  "project": "Lesson introduction",
  "rows": [
    {
      "text": "First, look at the length and width of the rectangle.",
      "speaker": "Aiden",
      "emotion": "natural",
      "filename": "lesson-01"
    },
    {
      "text": "Now write the formula for its area.",
      "speaker": "Ryan",
      "emotion": "natural",
      "filename": "lesson-02"
    }
  ]
}