Class uuid
90b6ee87-4b90-43e3-abcf-da1ae82539cb
Lesson uuid
e557e5d4-2201-49fa-a459-eca81fd47b4a
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
3ce64ac5-3d09-440f-85bb-287e381e2c75