starts promisingly but disintegrates into a dreary , humorless soap opera . 
(ROOT (S (VP (VP (VBZ starts) (ADVP (RB promisingly))) (CC but) (VP (VBZ disintegrates) (PP (IN into) (NP (DT a) (JJ dreary) (, ,) (JJ humorless) (NN soap) (NN opera))))) (. .)))
(ROOT (S (VP (VP (VBZ ) (ADVP (RB ))) (CC ) (VP (VBZ ) (PP (IN ) (NP (DT ) (JJ ) (, ) (JJ ) (NN ) (NN ))))) (. )))