an enjoyable 100 minutes in a movie theater 
(ROOT (NP (NP (DT an) (JJ enjoyable) (CD 100) (NNS minutes)) (PP (IN in) (NP (DT a) (NN movie) (NN theater)))))
(ROOT (NP (NP (DT ) (JJ ) (CD ) (NNS )) (PP (IN ) (NP (DT ) (NN ) (NN )))))