maintains suspense on different levels throughout a film that is both gripping and compelling 
(ROOT (S (VP (VBZ maintains) (NP (NN suspense)) (PP (IN on) (NP (JJ different) (NNS levels))) (PP (IN throughout) (NP (NP (DT a) (NN film)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (CC both) (JJ gripping) (CC and) (JJ compelling))))))))))
(ROOT (S (VP (VBZ ) (NP (NN )) (PP (IN ) (NP (JJ ) (NNS ))) (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (ADJP (CC ) (JJ ) (CC ) (JJ ))))))))))