Class uuid
3e9192d9-0bdf-4e75-8fa1-1cf742fe263c
Lesson uuid
3e401428-ebd9-4ddc-bff1-42caa7d5187c
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
16cc63dc-f238-4ca7-9dbf-b30559ad8843