bland hotels , highways , parking lots 
(ROOT (NP (NP (JJ bland) (NNS hotels)) (, ,) (NP (NNS highways)) (, ,) (NP (NN parking) (NNS lots))))
(ROOT (NP (NP (JJ ) (NNS )) (, ) (NP (NNS )) (, ) (NP (NN ) (NNS ))))