the movie straddles the fence between escapism and social commentary , 
(ROOT (S (NP (DT the) (NN movie)) (VP (VBZ straddles) (NP (NP (DT the) (NN fence)) (PP (IN between) (NP (NP (NN escapism)) (CC and) (NP (JJ social) (NN commentary)))))) (, ,)))
(ROOT (S (NP (DT ) (NN )) (VP (VBZ ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (NN )) (CC ) (NP (JJ ) (NN )))))) (, )))