of the most entertaining monster movies in ages 
(ROOT (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ entertaining)) (NN monster) (NNS movies)) (PP (IN in) (NP (NNS ages))))))
(ROOT (PP (IN ) (NP (NP (DT ) (ADJP (RBS ) (JJ )) (NN ) (NNS )) (PP (IN ) (NP (NNS ))))))