sinks:
  - id: sink-1
    input: A
  - id: sink-2
    input: B
sources:
  - id: source-1
    output: C
  - id: source-2
    output: G
operators:
  - id: op-1
    inputs:
      - C
      - E
      - B
    outputs:
      - A
  - id: op-2
    inputs:
      - C
      - F
    outputs:
      - E
  - id: op-3
    inputs:
      - C
      - G
    outputs:
      - B