Class uuid
71ff3a53-f1fc-4a96-8056-3edc0d3c01eb
Lesson uuid
50a47544-fbad-4b4b-b829-0276ee2f3208
Location uuid
a2c6c6b7-2552-4665-b0d5-9849c4b5395e
Person uuid
e8289e1d-2da6-43c4-84ac-cac635f99a87