Class uuid
3fc3617a-7f05-40a4-ad4b-889913e37d27
Lesson uuid
a5cb258a-7a81-4803-83f4-1d4476cd6cc6
Location uuid
3a83856e-dff9-43e5-bfe9-6c05a7ee56e0
Person uuid
da89d841-a1cb-436e-867b-66471de32291