Class uuid
65cb2d73-4e49-4199-9746-d01b59c6b21a
Lesson uuid
3497fed2-1db0-45fd-b0a1-293c665c5e1c
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
7466a958-3699-4907-bf07-501ca3e4af12