Class uuid
c91f8c5a-cac2-407d-8121-24b18e8c627b
Lesson uuid
2bdc111b-26ba-4f68-9b45-ffb9117288dc
Location uuid
a2c6c6b7-2552-4665-b0d5-9849c4b5395e
Person uuid
e8289e1d-2da6-43c4-84ac-cac635f99a87