{HEAD ~ The portable cooler} has {TAIL ~ a plurality} of foldable wheels on the base thereof to facilitate portability 
has
{ HEAD ~ The portable cooler } has { TAIL ~ a plurality } of foldable wheels on the base thereof to facilitate portability
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH