Class uuid
1951e8ea-08b8-4483-b867-93232edd0518
Lesson uuid
31004175-f846-464b-85e8-bb46b583fb26
Location uuid
3a83856e-dff9-43e5-bfe9-6c05a7ee56e0
Person uuid
58ce3fda-b792-42f5-b4bd-a7b78593a849