How are business roles, business catalogs, and SAP Fiori apps mapped to each other?

How are business roles, business catalogs, and SAP Fiori apps mapped to each other?
A . A business role is mapped to a business catalog that is mapped to an SAP Fiori app.
B . A business role is mapped to an SAP Fiori app that is mapped to a business catalog.
C . An SAP Fiori app is mapped to a business catalog that is mapped to a business role.
D . An Sap Fiori app is mapped to a business role that is mapped to a business catalog.

Answer: C