Class uuid
b99e6c01-9409-48a0-a89e-5587fd846de0
Lesson uuid
1d155482-075f-43dc-87ea-0bfe0e1771ba
Location uuid
a2c6c6b7-2552-4665-b0d5-9849c4b5395e
Person uuid
0632ad88-6d5c-4f1b-8800-60b3d5141d60