the mark of a respectable summer blockbuster 
(ROOT (NP (NP (DT the) (NN mark)) (PP (IN of) (NP (DT a) (JJ respectable) (NN summer) (NN blockbuster)))))
(ROOT (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (JJ ) (NN ) (NN )))))