a first-class , thoroughly involving b movie 
(ROOT (NP (DT a) (NML (JJ first) (HYPH -) (NN class)) (, ,) (ADJP (RB thoroughly) (VBG involving)) (NN b) (NN movie)))
(ROOT (NP (DT ) (NML (JJ ) (HYPH ) (NN )) (, ) (ADJP (RB ) (VBG )) (NN ) (NN )))