Class uuid
33b2988d-f985-46d1-89f5-fdc5e87c061d
Lesson uuid
b535d81d-4a1f-474a-9416-a3d37ccfeddf
Location uuid
a2c6c6b7-2552-4665-b0d5-9849c4b5395e
Person uuid
378de0e8-5d09-423b-af84-b97770bfd6d8