{
  "food": [
    "f"
  ],
  "reactions": [
    {
      "id": 0,
      "reactants": [
        "f"
      ],
      "products": [
        "x1"
      ],
      "catalysts": [
        "z2"
      ]
    },
    {
      "id": 1,
      "reactants": [
        "f"
      ],
      "products": [
        "x1"
      ],
      "catalysts": [
        "z2"
      ]
    },
    {
      "id": 2,
      "reactants": [
        "f"
      ],
      "products": [
        "x2"
      ],
      "catalysts": [
        "z2"
      ]
    },
    {
      "id": 3,
      "reactants": [
        "f"
      ],
      "products": [
        "x2"
      ],
      "catalysts": [
        "z2"
      ]
    },
    {
      "id": 4,
      "reactants": [
        "x1"
      ],
      "products": [
        "z1"
      ],
      "catalysts": [
        "z2"
      ]
    },
    {
      "id": 5,
      "reactants": [
        "x2",
        "z1"
      ],
      "products": [
        "z2"
      ],
      "catalysts": [
        "z2"
      ]
    }
  ]
}