the direction occasionally rises to the level of marginal competence , but for most of the film it is hard to tell who is chasing who or why 
(ROOT (S (S (NP (DT the) (NN direction)) (ADVP (RB occasionally)) (VP (VBZ rises) (PP (IN to) (NP (NP (DT the) (NN level)) (PP (IN of) (NP (JJ marginal) (NN competence))))))) (, ,) (CC but) (S (PP (IN for) (NP (NP (JJS most)) (PP (IN of) (NP (DT the) (NN film))))) (NP (NP (PRP it))) (VP (VBZ is) (ADJP (JJ hard)) (S (VP (TO to) (VP (VB tell) (SBAR (SBAR (WHNP (WP who)) (S (VP (VBZ is) (VP (VBG chasing) (NP (WP who)))))) (CC or) (WHADVP (WRB why))))))))))
(ROOT (S (S (NP (DT ) (NN )) (ADVP (RB )) (VP (VBZ ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NN ))))))) (, ) (CC ) (S (PP (IN ) (NP (NP (JJS )) (PP (IN ) (NP (DT ) (NN ))))) (NP (NP (PRP ))) (VP (VBZ ) (ADJP (JJ )) (S (VP (TO ) (VP (VB ) (SBAR (SBAR (WHNP (WP )) (S (VP (VBZ ) (VP (VBG ) (NP (WP )))))) (CC ) (WHADVP (WRB ))))))))))