{
  "food": [
    "f"
  ],
  "reactions": {
    "a1": {
      "reactants": [
        "f"
      ],
      "products": [
        "yA1"
      ],
      "catalysts": [
        "zA"
      ]
    },
    "a2": {
      "reactants": [
        "f"
      ],
      "products": [
        "yA2"
      ],
      "catalysts": [
        "yA1"
      ]
    },
    "a3": {
      "reactants": [
        "f"
      ],
      "products": [
        "u",
        "xA"
      ],
      "catalysts": [
        "yA2"
      ]
    },
    "b1": {
      "reactants": [
        "f"
      ],
      "products": [
        "yB1"
      ],
      "catalysts": [
        "zB"
      ]
    },
    "b2": {
      "reactants": [
        "f"
      ],
      "products": [
        "yB2"
      ],
      "catalysts": [
        "yB1"
      ]
    },
    "b3": {
      "reactants": [
        "f"
      ],
      "products": [
        "u",
        "v"
      ],
      "catalysts": [
        "yB2"
      ]
    },
    "c1": {
      "reactants": [
        "f"
      ],
      "products": [
        "yC1"
      ],
      "catalysts": [
        "zC"
      ]
    },
    "c2": {
      "reactants": [
        "f"
      ],
      "products": [
        "yC2"
      ],
      "catalysts": [
        "yC1"
      ]
    },
    "c3": {
      "reactants": [
        "f"
      ],
      "products": [
        "v",
        "xC"
      ],
      "catalysts": [
        "yC2"
      ]
    },
    "gA": {
      "reactants": [
        "xA"
      ],
      "products": [
        "zA"
      ],
      "catalysts": [
        "f"
      ]
    },
    "gB": {
      "reactants": [
        "u",
        "v"
      ],
      "products": [
        "zB"
      ],
      "catalysts": [
        "f"
      ]
    },
    "gC": {
      "reactants": [
        "xC"
      ],
      "products": [
        "zC"
      ],
      "catalysts": [
        "f"
      ]
    }
  },
  "core": [
    "b1",
    "b2",
    "b3",
    "gB"
  ]
}