In {HEAD ~ response} to the active signal on terminal R, SR flip flop generates an active signal on output terminal Q and an inactive signal on {TAIL ~ output terminal Q} 
In { HEAD ~ response } to the active signal on terminal R , SR flip flop generates an active signal on output terminal Q and an inactive signal on { TAIL ~ output terminal Q }
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL