aardbei/config/locales/activities/en.yml

en:
  activities:
    singular: Activity
    plural: Activities

    participant:
      notes: Notes
      add_notes: Add notes

    state:
      need_response: Need response
      present: Present
      absent: Absent
      unknown: Unknown

    attrs:
      name: Name
      group: Group
      when: When
      where: Where
      actions: Actions