{
  "question_id": 5106,
  "hints": [
    {
      "hint_level": 1,
      "hint": "Boys = k."
    },
    {
      "hint_level": 2,
      "hint": "Girls are 4 times that."
    },
    {
      "hint_level": 3,
      "hint": "Multiply: 4 x k = 4k."
    }
  ]
}