{
  "question_id": 1224,
  "hints": [
    {"hint_level": 1, "hint": "Tom counted 20 bird legs. Each bird has 2 legs."},
    {"hint_level": 2, "hint": "Divide the total number of legs by 2 (legs per bird)."},
    {"hint_level": 3, "hint": "20 divided by 2 = ?"}
  ]
}