Class uuid
103b27ca-89da-49cf-b7c7-5399659a916f
Lesson uuid
07c45999-b8bc-422b-b376-9c45c66917d9
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
67a05491-de65-4320-b529-3927e1ace93b