Class uuid
9997cc72-da42-41ec-bb8e-5ac619a380a8
Lesson uuid
dbf67bb0-59da-4f16-8b7d-d64b08d25e6f
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
238e8143-d93f-4b26-bda9-d9bd8e79b4f9