does a solid job of slowly , 
(ROOT (S (VP (VBZ does) (NP (NP (DT a) (JJ solid) (NN job)) (PP (IN of) (ADVP (RB slowly))))) (, ,)))
(ROOT (S (VP (VBZ ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (ADVP (RB ))))) (, )))