wonderful but sometimes confusing flashback 
(ROOT (NP (ADJP (ADJP (JJ wonderful)) (CC but) (ADJP (RB sometimes)) (ADJP (JJ confusing))) (NN flashback)))
(ROOT (NP (ADJP (ADJP (JJ )) (CC ) (ADJP (RB )) (ADJP (JJ ))) (NN )))