{HEAD ~ The third light guide component} and the fourth light guide component are {TAIL ~ mirror light guide components} 
are
{ HEAD ~ The third light guide component } and the fourth light guide component are { TAIL ~ mirror light guide components }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL