Class uuid
b6db8e33-590e-4809-b4fe-635a53f52613
Lesson uuid
bba61e3d-0c60-4a55-a533-9a822be0eddd
Location uuid
a2c6c6b7-2552-4665-b0d5-9849c4b5395e
Person uuid
78ac61ae-619a-4f8d-9582-e3d24ca58a16