may not be an important movie , or even a good one 
(ROOT (S (VP (MD may) (RB not) (VP (VB be) (NP (NP (DT an) (JJ important) (NN movie)) (, ,) (CC or) (NP (RB even) (DT a) (JJ good) (NN one)))))))
(ROOT (S (VP (MD ) (RB ) (VP (VB ) (NP (NP (DT ) (JJ ) (NN )) (, ) (CC ) (NP (RB ) (DT ) (JJ ) (NN )))))))