premise , mopes through a dreary tract of virtually plotless meanderings and then ends with a whimper 
(ROOT (S (NP (NN premise)) (, ,) (VP (VP (VBZ mopes) (PP (IN through) (NP (NP (DT a) (JJ dreary) (NN tract)) (PP (IN of) (NP (ADJP (RB virtually) (JJ plotless)) (NNS meanderings)))))) (CC and) (RB then) (VP (VBZ ends) (PP (IN with) (NP (DT a) (NN whimper)))))))
(ROOT (S (NP (NN )) (, ) (VP (VP (VBZ ) (PP (IN ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (ADJP (RB ) (JJ )) (NNS )))))) (CC ) (RB ) (VP (VBZ ) (PP (IN ) (NP (DT ) (NN )))))))