- set:
    values: [ 'a', 'b', 'c' ]
    shared_answers: []
    other_shared_answers: []
    unshared_answers: []

- foreach:
    key: value
    in: values
    shared: [ shared_answers, other_shared_answers ]
    actions:
      - push:
          array: shared_answers 
          value: <% value %>
      - push:
          array: other_shared_answers
          value: <% value %>
      - push:
          array: unshared_answers 
          value: <% value %>

- equals:
    - <% values | join %>
    - <% shared_answers | join %>

- equals:
    - <% values | join %>
    - <% other_shared_answers | join %>

- equals:
    - ""
    - <% unshared_answers | join %>