{
  "entities": [
    {
      "name": "Primary Education",
      "type": "Educational Level"
    },
    {
      "name": "Mathematics",
      "type": "Subject"
    },
    {
      "name": "Arithmetic",
      "type": "Field of Study"
    },
    {
      "name": "Geometry",
      "type": "Field of Study"
    },
    {
      "name": "Data Handling",
      "type": "Field of Study"
    },
    {
      "name": "Addition",
      "type": "Operation"
    },
    {
      "name": "Subtraction",
      "type": "Operation"
    },
    {
      "name": "Multiplication",
      "type": "Operation"
    },
    {
      "name": "Division",
      "type": "Operation"
    },
    {
      "name": "Natural Numbers",
      "type": "Concept"
    },
    {
      "name": "Commutativity",
      "type": "Property"
    },
    {
      "name": "Word Problems",
      "type": "Task Type"
    },
    {
      "name": "Calculator",
      "type": "Tool"
    },
    {
      "name": "Polygon",
      "type": "Geometric Shape"
    },
    {
      "name": "Triangle",
      "type": "Geometric Shape"
    },
    {
      "name": "Square",
      "type": "Geometric Shape"
    },
    {
      "name": "Rectangle",
      "type": "Geometric Shape"
    },
    {
      "name": "Perimeter",
      "type": "Concept"
    },
    {
      "name": "Side Lengths",
      "type": "Concept"
    },
    {
      "name": "Tables",
      "type": "Visual Aid"
    },
    {
      "name": "Bar Graphs",
      "type": "Visual Aid"
    },
    {
      "name": "Financial Literacy",
      "type": "Skill"
    }
  ],
  "relations": [
    {
      "source": "Primary Education",
      "target": "Mathematics",
      "relation": "contains"
    },
    {
      "source": "Arithmetic",
      "target": "Mathematics",
      "relation": "subfield_of"
    },
    {
      "source": "Geometry",
      "target": "Mathematics",
      "relation": "subfield_of"
    },
    {
      "source": "Data Handling",
      "target": "Mathematics",
      "relation": "subfield_of"
    },
    {
      "source": "Addition",
      "target": "Arithmetic",
      "relation": "part_of"
    },
    {
      "source": "Subtraction",
      "target": "Arithmetic",
      "relation": "part_of"
    },
    {
      "source": "Multiplication",
      "target": "Arithmetic",
      "relation": "part_of"
    },
    {
      "source": "Division",
      "target": "Arithmetic",
      "relation": "part_of"
    },
    {
      "source": "Addition",
      "target": "Natural Numbers",
      "relation": "uses"
    },
    {
      "source": "Multiplication",
      "target": "Natural Numbers",
      "relation": "uses"
    },
    {
      "source": "Commutativity",
      "target": "Addition",
      "relation": "applies_to"
    },
    {
      "source": "Commutativity",
      "target": "Multiplication",
      "relation": "applies_to"
    },
    {
      "source": "Word Problems",
      "target": "Addition",
      "relation": "requires"
    },
    {
      "source": "Word Problems",
      "target": "Multiplication",
      "relation": "requires"
    },
    {
      "source": "Addition",
      "target": "Calculator",
      "relation": "uses"
    },
    {
      "source": "Triangle",
      "target": "Polygon",
      "relation": "is_a"
    },
    {
      "source": "Square",
      "target": "Rectangle",
      "relation": "is_a"
    },
    {
      "source": "Rectangle",
      "target": "Polygon",
      "relation": "is_a"
    },
    {
      "source": "Perimeter",
      "target": "Side Lengths",
      "relation": "defined_by"
    },
    {
      "source": "Tables",
      "target": "Data Handling",
      "relation": "part_of"
    },
    {
      "source": "Bar Graphs",
      "target": "Data Handling",
      "relation": "part_of"
    },
    {
      "source": "Financial Literacy",
      "target": "Mathematics",
      "relation": "applies_to"
    }
  ]
}