Class uuid
de27bafc-8f13-47a0-bebf-3863e4466a4c
Lesson uuid
d0c7b03d-2e1d-4682-8987-56897cd1dd31
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
3ce64ac5-3d09-440f-85bb-287e381e2c75