render to said caller, provided said caller indicates said {TAIL ~ new location}, information of {HEAD ~ said first category} that is pertinent to said new location 
render to said caller , provided said caller indicates said { TAIL ~ new location } , information of { HEAD ~ said first category } that is pertinent to said new location
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH