associating {HEAD ~ the output response} with {TAIL ~ the address loop} which is a function of the input pattern 
with
associating { HEAD ~ the output response } with { TAIL ~ the address loop } which is a function of the input pattern
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH