gives a performance that is masterly . 
(ROOT (S (VP (VBZ gives) (NP (NP (DT a) (NN performance)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (JJ masterly))))))) (. .)))
(ROOT (S (VP (VBZ ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (ADJP (JJ ))))))) (. )))