generating {HEAD ~ at least one user interface} in {TAIL ~ the context} of the at least one application; and 
in
generating { HEAD ~ at least one user interface } in { TAIL ~ the context } of the at least one application ; and
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH