{
  "question_id": 5130,
  "hints": [
    {
      "hint_level": 1,
      "hint": "A square has 4 equal sides."
    },
    {
      "hint_level": 2,
      "hint": "Perimeter = 4 x side."
    },
    {
      "hint_level": 3,
      "hint": "Side = Perimeter / 4 = z / 4."
    }
  ]
}