{
  "entities": [
    {
      "name": "Lower Secondary Education",
      "type": "Education Level"
    },
    {
      "name": "Mathematics",
      "type": "Subject"
    },
    {
      "name": "8th Grade",
      "type": "Grade Level"
    },
    {
      "name": "9th Grade",
      "type": "Grade Level"
    },
    {
      "name": "Integers",
      "type": "Mathematical Concept"
    },
    {
      "name": "Rational Numbers",
      "type": "Mathematical Concept"
    },
    {
      "name": "Linear Equations",
      "type": "Mathematical Concept"
    },
    {
      "name": "Numerical Expressions",
      "type": "Mathematical Concept"
    },
    {
      "name": "Variable",
      "type": "Mathematical Concept"
    },
    {
      "name": "Powers",
      "type": "Mathematical Concept"
    },
    {
      "name": "Roots",
      "type": "Mathematical Concept"
    },
    {
      "name": "Quadrilaterals",
      "type": "Geometric Shape"
    },
    {
      "name": "Circle",
      "type": "Geometric Shape"
    },
    {
      "name": "Prism",
      "type": "Geometric Shape"
    },
    {
      "name": "Cube",
      "type": "Geometric Shape"
    },
    {
      "name": "Cuboid",
      "type": "Geometric Shape"
    },
    {
      "name": "Volume",
      "type": "Property"
    },
    {
      "name": "Surface Area",
      "type": "Property"
    },
    {
      "name": "Statistics",
      "type": "Field"
    },
    {
      "name": "Data",
      "type": "Concept"
    },
    {
      "name": "Combinatorics",
      "type": "Field"
    }
  ],
  "relations": [
    {
      "source": "Lower Secondary Education",
      "target": "Mathematics",
      "relation": "teaches"
    },
    {
      "source": "8th Grade",
      "target": "Lower Secondary Education",
      "relation": "part_of"
    },
    {
      "source": "9th Grade",
      "target": "Lower Secondary Education",
      "relation": "part_of"
    },
    {
      "source": "Mathematics",
      "target": "Integers",
      "relation": "contains"
    },
    {
      "source": "Mathematics",
      "target": "Rational Numbers",
      "relation": "contains"
    },
    {
      "source": "Integers",
      "target": "Rational Numbers",
      "relation": "part_of"
    },
    {
      "source": "Mathematics",
      "target": "Linear Equations",
      "relation": "contains"
    },
    {
      "source": "Linear Equations",
      "target": "Numerical Expressions",
      "relation": "requires"
    },
    {
      "source": "Linear Equations",
      "target": "Variable",
      "relation": "requires"
    },
    {
      "source": "8th Grade",
      "target": "Linear Equations",
      "relation": "teaches"
    },
    {
      "source": "Mathematics",
      "target": "Powers",
      "relation": "contains"
    },
    {
      "source": "Mathematics",
      "target": "Roots",
      "relation": "contains"
    },
    {
      "source": "9th Grade",
      "target": "Powers",
      "relation": "teaches"
    },
    {
      "source": "Mathematics",
      "target": "Quadrilaterals",
      "relation": "contains"
    },
    {
      "source": "Mathematics",
      "target": "Circle",
      "relation": "contains"
    },
    {
      "source": "Mathematics",
      "target": "Prism",
      "relation": "contains"
    },
    {
      "source": "Mathematics",
      "target": "Cube",
      "relation": "contains"
    },
    {
      "source": "Mathematics",
      "target": "Cuboid",
      "relation": "contains"
    },
    {
      "source": "Volume",
      "target": "Prism",
      "relation": "applies_to"
    },
    {
      "source": "Surface Area",
      "target": "Prism",
      "relation": "applies_to"
    },
    {
      "source": "Volume",
      "target": "Cube",
      "relation": "applies_to"
    },
    {
      "source": "Surface Area",
      "target": "Cube",
      "relation": "applies_to"
    },
    {
      "source": "Volume",
      "target": "Cuboid",
      "relation": "applies_to"
    },
    {
      "source": "Surface Area",
      "target": "Cuboid",
      "relation": "applies_to"
    },
    {
      "source": "Mathematics",
      "target": "Statistics",
      "relation": "contains"
    },
    {
      "source": "Statistics",
      "target": "Data",
      "relation": "applies_to"
    },
    {
      "source": "Mathematics",
      "target": "Combinatorics",
      "relation": "contains"
    }
  ]
}