a serious movie with serious ideas . 
(ROOT (NP (NP (DT a) (JJ serious) (NN movie)) (PP (IN with) (NP (JJ serious) (NNS ideas))) (. .)))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (JJ ) (NNS ))) (. )))