is a masterpiece of elegant wit and artifice . 
(ROOT (S (VP (VBZ is) (NP (NP (DT a) (NN masterpiece)) (PP (IN of) (NP (JJ elegant) (NN wit) (CC and) (NN artifice))))) (. .)))
(ROOT (S (VP (VBZ ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NN ) (CC ) (NN ))))) (. )))