---
ch-1:
  - function: lexicographic
    arguments:
      - abc
      - bce
      - cae
    result: 1
  - arguments:
      - yxz
      - cba
      - mon
    result: 2
ch-2:
  - function: twoofthree
    arguments:
      - - 1
        - 1
        - 2
        - 4
      - - 2
        - 4
      - - 4
    result:
      - 2
      - 4
  - arguments:
      - - 4
        - 1
      - - 2
        - 4
      - - 1
        - 2
    result:
      - 1
      - 2
      - 4