Class uuid
c797f112-6d9f-48ca-bb07-34a960a605c2
Lesson uuid
ac2e32f6-4f46-4ec6-96f2-e8a094f8ec0a
Location uuid
916222ed-ba80-4784-ad5d-2e119e5a261c
Person uuid
fa84294b-d589-4f11-b17b-67548f73921b