is scott 's convincing portrayal of roger the sad cad that really gives the film its oomph 
(ROOT (VP (VBZ is) (NP (NP (NP (NP (NNP scott) (POS 's)) (JJ convincing) (NN portrayal)) (PP (IN of) (NP (NP (NNP roger)) (NP (DT the) (JJ sad) (NN cad))))) (SBAR (WHNP (WDT that)) (S (ADVP (RB really)) (VP (VBZ gives) (NP (DT the) (NN film)) (NP (PRP$ its) (NN oomph))))))))
(ROOT (VP (VBZ ) (NP (NP (NP (NP (NNP ) (POS )) (JJ ) (NN )) (PP (IN ) (NP (NP (NNP )) (NP (DT ) (JJ ) (NN ))))) (SBAR (WHNP (WDT )) (S (ADVP (RB )) (VP (VBZ ) (NP (DT ) (NN )) (NP (PRP$ ) (NN ))))))))