a great cast and a wonderful but sometimes confusing flashback 
(ROOT (NP (NP (DT a) (JJ great) (NN cast)) (CC and) (NP (DT a) (ADJP (ADJP (JJ wonderful)) (CC but) (ADJP (RB sometimes)) (ADJP (JJ confusing))) (NN flashback))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (CC ) (NP (DT ) (ADJP (ADJP (JJ )) (CC ) (ADJP (RB )) (ADJP (JJ ))) (NN ))))