Class uuid
28da541d-b6a2-46eb-a6ab-a5b87c7387bd
Lesson uuid
d334105e-1c3f-4904-96f6-bcdbee0eaa72
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
2fda9710-70c6-4b52-9d96-8d163e39cd14