{
  "type": "object",
  "required": [
    "structure"
  ],
  "properties": {
    "structure": {
      "type": "object",
      "required": [
        "score",
        "introduction",
        "body",
        "conclusion"
      ],
      "properties": {
        "body": {
          "type": "object",
          "required": [
            "score",
            "feedback"
          ],
          "properties": {
            "score": {
              "enum": [
                "Poor",
                "Good",
                "Excellent"
              ],
              "type": "string",
              "description": "Score for the structure of the essay's body paragraphs."
            },
            "feedback": {
              "type": "string",
              "description": "Feedback for the structure of the essay's body paragraphs."
            }
          }
        },
        "score": {
          "enum": [
            "Very Poor",
            "Poor",
            "Okay",
            "Good",
            "Very Good",
            "Excellent"
          ],
          "type": "string",
          "description": "Summary score on the overall structure of the whole essay."
        },
        "conclusion": {
          "type": "object",
          "required": [
            "score",
            "feedback"
          ],
          "properties": {
            "score": {
              "enum": [
                "Poor",
                "Good",
                "Excellent"
              ],
              "type": "string",
              "description": "Score for the structure of the essay's conclusion paragraphs."
            },
            "feedback": {
              "type": "string",
              "description": "Feedback for the structure of the essay's conclusion paragraphs."
            }
          }
        },
        "introduction": {
          "type": "object",
          "required": [
            "score",
            "feedback"
          ],
          "properties": {
            "score": {
              "enum": [
                "Poor",
                "Good",
                "Excellent"
              ],
              "type": "string",
              "description": "Score for the structure of the essay's introduction."
            },
            "feedback": {
              "type": "string",
              "description": "Feedback for the structure of the essay's introduction."
            }
          }
        }
      }
    }
  }
}