much of the writing is genuinely witty 
(ROOT (S (NP (NP (JJ much)) (PP (IN of) (NP (DT the) (NN writing)))) (VP (VBZ is) (ADJP (RB genuinely) (JJ witty)))))
(ROOT (S (NP (NP (JJ )) (PP (IN ) (NP (DT ) (NN )))) (VP (VBZ ) (ADJP (RB ) (JJ )))))