of the greatest date movies in years 
(ROOT (PP (IN of) (NP (NP (DT the) (JJS greatest) (NN date) (NNS movies)) (PP (IN in) (NP (NNS years))))))
(ROOT (PP (IN ) (NP (NP (DT ) (JJS ) (NN ) (NNS )) (PP (IN ) (NP (NNS ))))))