is not only the best date movie of the year 
(ROOT (VP (VBZ is) (RB not) (RB only) (NP (NP (DT the) (JJS best) (NN date) (NN movie)) (PP (IN of) (NP (DT the) (NN year))))))
(ROOT (VP (VBZ ) (RB ) (RB ) (NP (NP (DT ) (JJS ) (NN ) (NN )) (PP (IN ) (NP (DT ) (NN ))))))