is better than any summer blockbuster 
(ROOT (VP (VBZ is) (ADJP (ADJP (JJR better)) (PP (IN than) (NP (DT any) (NN summer) (NN blockbuster))))))
(ROOT (VP (VBZ ) (ADJP (ADJP (JJR )) (PP (IN ) (NP (DT ) (NN ) (NN ))))))