{
  "cases": [
    {
      "description": "Missing operation",
      "property": "answer",
      "input": {
        "question": "What is 2 2 minus 3?"
      },
      "expected": {"error": "syntax error"}
    },
    {
      "description": "Missing number",
      "property": "answer",
      "input": {
        "question": "What is 7 plus multiplied by -2?"
      },
      "expected": {"error": "syntax error"}
    }
  ]
}
