in {HEAD ~ response} to performing {TAIL ~ the analysis}, generating search criteria based on linguistic features of the text, 
in { HEAD ~ response } to performing { TAIL ~ the analysis } , generating search criteria based on linguistic features of the text ,
OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH