Class uuid
1dee53b0-8248-4f8d-b4c3-ad8080f88af0
Lesson uuid
a55e06a4-c7ad-48d1-87ec-2b0f81ee5fd0
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
36444841-b5c2-4706-954c-020fe60d0a93