element_data:
  - id: x
    the_list:
      - "f"
      - "d"
    the:
      sub:
        key:
          list:
            - "q"
            - "r"
  - id: y
    the_list:
      - "e"
      - "f"
    the:
      sub:
        key:
          list:
            - "i"
            - "o"
element_data_missing:
  - id: x
    the_list:
      - "f"
      - "d"
    the:
      sub:
        key:
          list:
            - "k"
            - "l"
  - id: y
    the_list:
      - "f"
      - "d"
  - id: z
    the_list:
      - "e"
      - "f"
    the:
      sub:
        key: