The main portion further includes {HEAD ~ a pitched roof} that is selectively disposed on the ceiling and which has {TAIL ~ a pair} of gable ends that have vent throughbores therethrough 
The main portion further includes { HEAD ~ a pitched roof } that is selectively disposed on the ceiling and which has { TAIL ~ a pair } of gable ends that have vent throughbores therethrough
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH