conventional , but well-crafted film 
(ROOT (NP (ADJP (ADJP (JJ conventional)) (, ,) (CC but) (ADJP (RB well) (HYPH -) (VBN crafted))) (NN film)))
(ROOT (NP (ADJP (ADJP (JJ )) (, ) (CC ) (ADJP (RB ) (HYPH ) (VBN ))) (NN )))