Class uuid
cf074d3e-bf02-4a3d-8650-4869386aa52e
Lesson uuid
7d5cfcb0-902d-48d5-9c09-c3476404aa6b
Location uuid
916222ed-ba80-4784-ad5d-2e119e5a261c
Person uuid
3d496d24-d361-4f81-9448-8d06a49f0009