it is ok for a movie to be something of a sitcom apparatus 
(ROOT (S (NP (NP (PRP it))) (VP (VBZ is) (ADJP (JJ ok)) (SBAR (IN for) (S (NP (DT a) (NN movie)) (VP (TO to) (VP (VB be) (NP (NP (NN something)) (PP (IN of) (NP (DT a) (NN sitcom) (NN apparatus)))))))))))
(ROOT (S (NP (NP (PRP ))) (VP (VBZ ) (ADJP (JJ )) (SBAR (IN ) (S (NP (DT ) (NN )) (VP (TO ) (VP (VB ) (NP (NP (NN )) (PP (IN ) (NP (DT ) (NN ) (NN )))))))))))