{HEAD ~ The number} of {TAIL ~ records} actually retrieved and searched for the query sub string is thereby reduced 
of
{ HEAD ~ The number } of { TAIL ~ records } actually retrieved and searched for the query sub string is thereby reduced
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH