Class uuid
3d8c25c7-6817-4bf9-9977-afb9e8b4314a
Lesson uuid
347c73ac-1c6b-4966-b92f-5fc5fbd83be6
Location uuid
a2c6c6b7-2552-4665-b0d5-9849c4b5395e
Person uuid
d29fbf03-a69b-4636-bebe-a4fd17aa9e47