A jacket comprising {HEAD ~ a pair} of {TAIL ~ front panels}, a back panel, a collar, and sleeves 
A jacket comprising { HEAD ~ a pair } of { TAIL ~ front panels } , a back panel , a collar , and sleeves
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH