Class uuid
09add88a-7ac5-4a5c-a917-f2a0cf3f957f
Lesson uuid
8f74bd75-7bb9-4834-b25b-3095c8438daf
Location uuid
916222ed-ba80-4784-ad5d-2e119e5a261c
Person uuid
ded296f2-4170-47ba-87af-90cfb88c0899