what saves this deeply affecting film from being merely a collection of wrenching cases is corcuera 's attention to detail . 
(ROOT (S (SBAR (WHNP (WP what)) (S (VP (VBZ saves) (NP (DT this) (ADJP (RB deeply) (VBG affecting)) (NN film)) (PP (IN from) (S (VP (VBG being) (ADVP (RB merely)) (NP (NP (DT a) (NN collection)) (PP (IN of) (NP (JJ wrenching) (NNS cases)))))))))) (VP (VBZ is) (NP (NP (NP (NN corcuera) (POS 's)) (NN attention)) (PP (IN to) (NP (NN detail))))) (. .)))
(ROOT (S (SBAR (WHNP (WP )) (S (VP (VBZ ) (NP (DT ) (ADJP (RB ) (VBG )) (NN )) (PP (IN ) (S (VP (VBG ) (ADVP (RB )) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NNS )))))))))) (VP (VBZ ) (NP (NP (NP (NN ) (POS )) (NN )) (PP (IN ) (NP (NN ))))) (. )))