the longest 90 minutes of your movie-going life 
(ROOT (NP (NP (DT the) (JJS longest) (CD 90) (NNS minutes)) (PP (IN of) (NP (PRP$ your) (ADJP (NN movie) (HYPH -) (VBG going)) (NN life)))))
(ROOT (NP (NP (DT ) (JJS ) (CD ) (NNS )) (PP (IN ) (NP (PRP$ ) (ADJP (NN ) (HYPH ) (VBG )) (NN )))))