Class uuid
cac00173-6af2-4a8e-b524-8a54129e3f2a
Lesson uuid
a81513f9-3a71-4616-8a81-881706d3a6c4
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
238e8143-d93f-4b26-bda9-d9bd8e79b4f9