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? Please choose the correct answer.
A . Via the redirect txt file of the SAP web dispatcher
B . Via parameters of the respective target mapping
C . Via the default of the FES system
D . Via customizing in the BES system (transaction SR13)

Answer: A