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