Class uuid
fbb9a14d-0f30-40c9-9268-7ccc59122087
Lesson uuid
10760ffc-9dfe-43d0-bc91-79f2f78db178
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
3ce64ac5-3d09-440f-85bb-287e381e2c75