Class uuid
bd234d0c-e559-4450-afde-6f860a08e0d9
Lesson uuid
7395e374-7281-4202-87b9-eae8d859168a
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
ca7116ae-0500-4f0b-8580-6e189e42a9de