Class uuid
c118d8bb-d351-4b7a-93de-ddc3a451bc16
Lesson uuid
20096288-a30b-44ac-bfb1-096f9016d634
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
9b506023-81de-4b7c-b6af-8e1a315983ae