Class uuid
5acea111-f444-4933-952c-57dfe0f52b41
Lesson uuid
1400ba86-6ecd-4d69-98c0-ef077be6cd7d
Location uuid
916222ed-ba80-4784-ad5d-2e119e5a261c
Person uuid
fb6ac773-8d41-46ba-9439-6324d819a0d8