good action , good acting , good dialogue , 
(ROOT (NP (NP (JJ good) (NN action)) (, ,) (NP (JJ good) (NN acting)) (, ,) (NP (JJ good) (NN dialogue)) (, ,)))
(ROOT (NP (NP (JJ ) (NN )) (, ) (NP (JJ ) (NN )) (, ) (NP (JJ ) (NN )) (, )))