Sheet 1
Group Assignments
  Group sets
    Project Groups
      Group set examples
      Project ALPHA Group
        Bob
        Rachel
      Project BETA Group
        Alice
        Ahmad
    Quiz Groups
      Group A
        Alice
        Bob
      Group B
        Rachel
        Ahmad
  assignment_override[group_id]
  assignment[group_category_id]
  A group assignment must be assigned to a group set
  And each group set can comprise
any number of groups
  And a group comprises a
number of students