whimsicality , narrative discipline and serious improvisation 
(ROOT (NP (NP (NN whimsicality)) (, ,) (NP (JJ narrative) (NN discipline)) (CC and) (NP (JJ serious) (NN improvisation))))
(ROOT (NP (NP (NN )) (, ) (NP (JJ ) (NN )) (CC ) (NP (JJ ) (NN ))))