Class uuid
7052f26e-ed02-41d1-b952-92b4b930dd7f
Lesson uuid
80607dfa-b1a8-4681-b7cc-f2cb7f7c0c8c
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
6ac13715-64f3-4fc8-90f2-b30cdee98035