Class uuid
55d069be-8a5b-405c-b235-cb6064a36272
Lesson uuid
60c3ffdd-2dbd-4978-af5a-247f35ce90b3
Location uuid
3a83856e-dff9-43e5-bfe9-6c05a7ee56e0
Person uuid
d29fbf03-a69b-4636-bebe-a4fd17aa9e47