while certainly clever in spots , this too-long , spoofy update of shakespeare 's macbeth does n't sustain a high enough level of invention . 
(ROOT (S (SBAR (IN while) (S (ADVP (RB certainly)) (ADJP (JJ clever) (PP (IN in) (NP (NNS spots)))))) (, ,) (NP (NP (DT this) (ADJP (RB too) (HYPH -) (JJ long)) (, ,) (JJ spoofy) (NN update)) (PP (IN of) (NP (NP (NN shakespeare) (POS 's)) (NN macbeth)))) (VP (VBZ does) (RB n't) (VP (VB sustain) (NP (NP (DT a) (ADJP (JJ high) (JJ enough)) (NN level)) (PP (IN of) (NP (NN invention)))))) (. .)))
(ROOT (S (SBAR (IN ) (S (ADVP (RB )) (ADJP (JJ ) (PP (IN ) (NP (NNS )))))) (, ) (NP (NP (DT ) (ADJP (RB ) (HYPH ) (JJ )) (, ) (JJ ) (NN )) (PP (IN ) (NP (NP (NN ) (POS )) (NN )))) (VP (VBZ ) (RB ) (VP (VB ) (NP (NP (DT ) (ADJP (JJ ) (JJ )) (NN )) (PP (IN ) (NP (NN )))))) (. )))