thrills , too many flashbacks and a choppy ending 
(ROOT (NP (NP (NNS thrills)) (, ,) (NP (ADJP (RB too) (JJ many)) (NNS flashbacks)) (CC and) (NP (DT a) (JJ choppy) (NN ending))))
(ROOT (NP (NP (NNS )) (, ) (NP (ADJP (RB ) (JJ )) (NNS )) (CC ) (NP (DT ) (JJ ) (NN ))))