{TAIL ~ The bias} is applied in response to {HEAD ~ the amplified logic signal} on the output node 
{ TAIL ~ The bias } is applied in response to { HEAD ~ the amplified logic signal } on the output node
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH