Class uuid
38a1e9fa-1994-407e-9b76-62ea831d04f0
Lesson uuid
3bcd84ab-ba86-440b-94e7-38f9ca078381
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
67a05491-de65-4320-b529-3927e1ace93b