{
  "entities": [
    {
      "name": "Primary Education",
      "type": "Educational Level"
    },
    {
      "name": "Mathematics",
      "type": "Subject"
    },
    {
      "name": "3rd Grade",
      "type": "Grade Level"
    },
    {
      "name": "4th Grade",
      "type": "Grade Level"
    },
    {
      "name": "Multiplication",
      "type": "Operation"
    },
    {
      "name": "Division",
      "type": "Operation"
    },
    {
      "name": "Addition",
      "type": "Operation"
    },
    {
      "name": "Subtraction",
      "type": "Operation"
    },
    {
      "name": "Natural Numbers",
      "type": "Concept"
    },
    {
      "name": "Geometry",
      "type": "Topic"
    },
    {
      "name": "Time",
      "type": "Topic"
    },
    {
      "name": "Financial Literacy",
      "type": "Topic"
    },
    {
      "name": "Data Handling",
      "type": "Topic"
    },
    {
      "name": "Word Problems",
      "type": "Task Type"
    },
    {
      "name": "Table",
      "type": "Tool"
    },
    {
      "name": "Graph",
      "type": "Tool"
    }
  ],
  "relations": [
    {
      "source": "Primary Education",
      "target": "Mathematics",
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    },
    {
      "source": "Primary Education",
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    },
    {
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    },
    {
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      "relation": "teaches"
    },
    {
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    },
    {
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    },
    {
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    },
    {
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    },
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    {
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    },
    {
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    },
    {
      "source": "Mathematics",
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    {
      "source": "Multiplication",
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      "relation": "requires"
    },
    {
      "source": "Division",
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    },
    {
      "source": "Addition",
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    },
    {
      "source": "Subtraction",
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    },
    {
      "source": "Word Problems",
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      "relation": "applies_to"
    },
    {
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    },
    {
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    }
  ]
}