a confusing melange of tones and styles , one moment a romantic trifle 
(ROOT (NP (NP (NP (DT a) (JJ confusing) (NN melange)) (PP (IN of) (NP (NNS tones) (CC and) (NNS styles)))) (, ,) (S (NP (CD one) (NN moment)) (NP (DT a) (JJ romantic) (NN trifle)))))
(ROOT (NP (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NNS ) (CC ) (NNS )))) (, ) (S (NP (CD ) (NN )) (NP (DT ) (JJ ) (NN )))))