its compelling mix of trial movie , escape movie and unexpected fable ensures the film never feels draggy . 
(ROOT (S (NP (NP (PRP$ its) (JJ compelling) (NN mix)) (PP (IN of) (NP (NP (NN trial) (NN movie)) (, ,) (NP (NN escape) (NN movie)) (CC and) (NP (JJ unexpected) (NN fable))))) (VP (VBZ ensures) (SBAR (S (NP (DT the) (NN film)) (ADVP (RB never)) (VP (VBZ feels) (S (ADJP (JJ draggy))))))) (. .)))
(ROOT (S (NP (NP (PRP$ ) (JJ ) (NN )) (PP (IN ) (NP (NP (NN ) (NN )) (, ) (NP (NN ) (NN )) (CC ) (NP (JJ ) (NN ))))) (VP (VBZ ) (SBAR (S (NP (DT ) (NN )) (ADVP (RB )) (VP (VBZ ) (S (ADJP (JJ ))))))) (. )))