bringing off a superb performance in an admittedly middling film 
(ROOT (S (VP (VBG bringing) (PRT (RP off)) (NP (DT a) (JJ superb) (NN performance)) (PP (IN in) (NP (DT an) (ADJP (RB admittedly) (JJ middling)) (NN film))))))
(ROOT (S (VP (VBG ) (PRT (RP )) (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (ADJP (RB ) (JJ )) (NN ))))))