though its story is only surface deep , the visuals and enveloping sounds of blue crush make this surprisingly decent flick worth a summertime look-see . 
(ROOT (S (SBAR (IN though) (S (NP (PRP$ its) (NN story)) (VP (VBZ is) (NP (RB only) (NN surface) (JJ deep))))) (, ,) (NP (DT the) (NML (NML (NNS visuals)) (CC and) (NML (NML (JJ enveloping) (NNS sounds)) (PP (IN of) (NP (JJ blue) (NN crush)))))) (VP (VBP make) (S (NP (DT this) (ADJP (RB surprisingly) (JJ decent)) (NN flick)) (ADJP (JJ worth) (NP (DT a) (NN summertime) (NN look) (HYPH -) (VB see))))) (. .)))
(ROOT (S (SBAR (IN ) (S (NP (PRP$ ) (NN )) (VP (VBZ ) (NP (RB ) (NN ) (JJ ))))) (, ) (NP (DT ) (NML (NML (NNS )) (CC ) (NML (NML (JJ ) (NNS )) (PP (IN ) (NP (JJ ) (NN )))))) (VP (VBP ) (S (NP (DT ) (ADJP (RB ) (JJ )) (NN )) (ADJP (JJ ) (NP (DT ) (NN ) (NN ) (HYPH ) (VB ))))) (. )))