Class uuid
737cd235-18d1-444e-89f2-7c0e96fa1ad9
Lesson uuid
dff75be2-f1fe-4222-bc03-719c46a079a2
Location uuid
3a83856e-dff9-43e5-bfe9-6c05a7ee56e0
Person uuid
2881598c-421d-44bf-9d7c-efc71221088a