How do you configure the product and the corresponding version of the help texts?

You want to enable context-sensitive user assistance for SAPUI5-based SAP Fiori apps.

How do you configure the product and the corresponding version of the help texts?
A . Via the default of the FES system
B . Via the redirect txt file of the SAP web dispatcher
C . Via parameters of the respective target mapping
D . Via customizing in the BES system (transaction SR13)

Answer: B