Class uuid
bd234d0c-e559-4450-afde-6f860a08e0d9
Lesson uuid
7395e374-7281-4202-87b9-eae8d859168a
Location uuid
762a1d6c-7099-4d50-8eb5-4fe039aa99c2
Person uuid
ca7116ae-0500-4f0b-8580-6e189e42a9de