it is a good and ambitious film 
(ROOT (S (NP (PRP it)) (VP (VBZ is) (NP (DT a) (ADJP (JJ good) (CC and) (JJ ambitious)) (NN film)))))
(ROOT (S (NP (PRP )) (VP (VBZ ) (NP (DT ) (ADJP (JJ ) (CC ) (JJ )) (NN )))))