Class uuid
a2c5802c-d6b0-4b45-8c5d-42d5ca81bc76
Lesson uuid
3200e747-c428-45db-8390-f6c94e55c708
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
67a05491-de65-4320-b529-3927e1ace93b