response.json

{
  "errors": [
    {
      "message": "Cannot spread fragment \"A\" within itself via \"A\", \"A\", \"C\".",
      "locations": [
        { "line": 17, "column": 3 },
        { "line": 7, "column": 10 },
        { "line": 9, "column": 3 }
      ]
    },
    {
      "message": "Cannot spread fragment \"C\" within itself via \"C\", \"B\", \"C\", \"A\".",
      "locations": [
        { "line": 9, "column": 3 },
        { "line": 12, "column": 10 },
        { "line": 13, "column": 3 },
        { "line": 17, "column": 3 }
      ]
    },
    {
      "message": "Cannot spread fragment \"C\" within itself via \"C\", \"C\", \"A\".",
      "locations": [
        { "line": 9, "column": 3 },
        { "line": 16, "column": 10 },
        { "line": 17, "column": 3 }
      ]
    },
    {
      "message": "Fragment \"A\" is never used.",
      "locations": [{ "line": 7, "column": 10 }]
    },
    {
      "message": "Fragment \"B\" is never used.",
      "locations": [{ "line": 12, "column": 10 }]
    },
    {
      "message": "Fragment \"C\" is never used.",
      "locations": [{ "line": 16, "column": 10 }]
    },
    {
      "message": "Fragment \"D\" is never used.",
      "locations": [{ "line": 20, "column": 10 }]
    }
  ]
}