{
  "cases": [
    {
      "description": "sentence without lower bound",
      "property": "isPangram",
      "input": {
        "sentence": "bcdefghijklmnopqrstuvwxyz"
      },
      "expected": false
    },
    {
      "description": "sentence without upper bound",
      "property": "isPangram",
      "input": {
        "sentence": "abcdefghijklmnopqrstuvwxy"
      },
      "expected": false
    }
  ]
}
