Sub-Row Below Row in Narrative View

Supposing you need to display the row below the one above in a sub-folder structure.

I am taking two columns

Supposing you are display 1st column and 2nd column
Female
   F 
Male
   M
then try the below in the narrative view-
In Narrative section-
@1 <BR>&nbsp;&nbsp;&nbsp;-->@2
and Row separator section-
<BR>

Result came as-
Female
   -->F
Male
   -->M