{TAIL ~ The alarm lamps} include a red light, a yellow light and {HEAD ~ a green light} 
{ TAIL ~ The alarm lamps } include a red light , a yellow light and { HEAD ~ a green light }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD