{TAIL ~ Each member} 12 and 14 comprises {HEAD ~ a front portion}, respectively 24 and 26, and a rear portion, respectively 28 and 30 
{ TAIL ~ Each member } 12 and 14 comprises { HEAD ~ a front portion } , respectively 24 and 26 , and a rear portion , respectively 28 and 30
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH