{
  "question_id": 5131,
  "hints": [
    {
      "hint_level": 1,
      "hint": "Ms Soh keeps n candies, so 19 - n remain."
    },
    {
      "hint_level": 2,
      "hint": "The rest are shared equally among 5 pupils."
    },
    {
      "hint_level": 3,
      "hint": "Each pupil gets (19 - n) / 5."
    }
  ]
}