sometimes charming , sometimes infuriating , this argentinean ` dramedy ' succeeds mainly on the shoulders of its actors . 
(ROOT (S (S (ADJP (ADJP (RB sometimes) (JJ charming)) (, ,) (RB sometimes) (ADJP (JJ infuriating)))) (, ,) (NP (DT this) (JJ argentinean) (`` `) (NN dramedy) ('' ')) (VP (VBZ succeeds) (PP (ADVP (RB mainly)) (IN on) (NP (NP (DT the) (NNS shoulders)) (PP (IN of) (NP (PRP$ its) (NNS actors)))))) (. .)))
(ROOT (S (S (ADJP (ADJP (RB ) (JJ )) (, ) (RB ) (ADJP (JJ )))) (, ) (NP (DT ) (JJ ) (`` ) (NN ) ('' )) (VP (VBZ ) (PP (ADVP (RB )) (IN ) (NP (NP (DT ) (NNS )) (PP (IN ) (NP (PRP$ ) (NNS )))))) (. )))