{
  "rubric": "Find and correct the mistakes in these sentences.",
  "attempts": "2",
  "case_sense": "0",
  "Questions": [
    [
      "The boys's bags are heavy.",
      "The boys' bags are heavy."
    ],
    [
      "This is Ritas book.",
      "This is Rita's book."
    ],
    [
      "The cats toy is under the table.",
      "The cat's toy is under the table."
    ],
    [
      "The childrens playground is clean.",
      "The children's playground is clean."
    ],
    [
      "The teachers car is new.",
      "The teacher's car is new."
    ]
  ]
}