Class uuid
4ce377bd-1e93-4d94-88a8-d0db51ccce8b
Lesson uuid
2693da41-ceed-482d-a80c-c8e9211e85be
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
67a05491-de65-4320-b529-3927e1ace93b