{
  "question_id": 1226,
  "hints": [
    {"hint_level": 1, "hint": "18 pupils divided into 2 equal groups."},
    {"hint_level": 2, "hint": "Divide the total pupils by the number of groups."},
    {"hint_level": 3, "hint": "18 divided by 2 = ?"}
  ]
}