Class uuid
d351ee43-6816-4937-8006-dc64b6cde1b7
Lesson uuid
3aa6a1dc-9155-4c8d-9c48-ebc7dbeaaf88
Location uuid
3a83856e-dff9-43e5-bfe9-6c05a7ee56e0
Person uuid
e6924043-13fc-4c8c-ae92-1ce9f4cc7b27