Class uuid
1951e8ea-08b8-4483-b867-93232edd0518
Lesson uuid
31004175-f846-464b-85e8-bb46b583fb26
Location uuid
3a83856e-dff9-43e5-bfe9-6c05a7ee56e0
Person uuid
1ce70cdc-0f64-4d22-95a6-bfc9fe0edf12