[
  {
    "task_id": "easy_1",
    "difficulty": "easy",
    "chat_history": [
      "I don't understand photosynthesis",
      "What is chlorophyll?"
    ],
    "expected": {
      "concepts": ["photosynthesis", "chlorophyll"],
      "summary_points": ["confusion", "basics"]
    }
  },
  {
    "task_id": "easy_2",
    "difficulty": "easy",
    "chat_history": [
      "What is Newton's first law?",
      "I keep forgetting inertia"
    ],
    "expected": {
      "concepts": ["newton", "inertia"],
      "summary_points": ["memory issue", "basic physics"]
    }
  },
  {
    "task_id": "easy_3",
    "difficulty": "easy",
    "chat_history": [
      "I don't get fractions",
      "How do I divide 1/2 by 1/4?"
    ],
    "expected": {
      "concepts": ["fractions", "division"],
      "summary_points": ["basic math confusion"]
    }
  }
]