a rollicking good time for the most part 
(ROOT (S (NP (DT a) (JJ rollicking) (JJ good) (NN time)) (PP (IN for) (NP (DT the) (JJS most) (NN part)))))
(ROOT (S (NP (DT ) (JJ ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (JJS ) (NN )))))