Class uuid
a4cfec9f-76ed-4252-accd-4c136fc2cdd9
Lesson uuid
201c9949-5f0d-4558-805d-58d6841ccede
Location uuid
3a83856e-dff9-43e5-bfe9-6c05a7ee56e0
Person uuid
16cc63dc-f238-4ca7-9dbf-b30559ad8843