The article 1 wherein {HEAD ~ the front seating area} has {TAIL ~ a generally rounded semi elliptical shape} and the rear seating area has a generally rounded semi elliptical shape 
The article 1 wherein { HEAD ~ the front seating area } has { TAIL ~ a generally rounded semi elliptical shape } and the rear seating area has a generally rounded semi elliptical shape
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH