Class uuid
3d30e286-72ca-4b0e-a4d1-b51b0147c54c
Lesson uuid
7f92c32a-da4b-4681-a7cd-5b5644dcf577
Location uuid
916222ed-ba80-4784-ad5d-2e119e5a261c
Person uuid
6cb5313a-53f2-4e2c-9e8f-e43deed0ecfd