Class uuid
921833a9-d835-4e39-9063-2bf6c82d7682
Lesson uuid
6b602cb7-9687-4acd-a1e2-35ee583b3d36
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
ab91ffb5-3767-49f9-9769-bad77814560f