{
  "question_id": 5102,
  "hints": [
    {
      "hint_level": 1,
      "hint": "Ken has $3 less than Peter."
    },
    {
      "hint_level": 2,
      "hint": "So Peter has $3 more than Ken."
    },
    {
      "hint_level": 3,
      "hint": "Peter = x + 3."
    }
  ]
}