Class uuid
8b1c3106-757b-49e1-8117-4605cf375170
Lesson uuid
bd789a55-3419-4a44-b33b-b4eaec88f6bc
Location uuid
a2c6c6b7-2552-4665-b0d5-9849c4b5395e
Person uuid
f31f1a3a-601c-4581-9ad5-4799cd869e7d