are so unmemorable , despite several attempts at lengthy dialogue scenes , 
(ROOT (VP (VBP are) (ADJP (RB so) (JJ unmemorable)) (, ,) (PP (IN despite) (NP (NP (JJ several) (NNS attempts)) (PP (IN at) (NP (JJ lengthy) (NN dialogue) (NNS scenes))))) (, ,)))
(ROOT (VP (VBP ) (ADJP (RB ) (JJ )) (, ) (PP (IN ) (NP (NP (JJ ) (NNS )) (PP (IN ) (NP (JJ ) (NN ) (NNS ))))) (, )))