screenplay to keep the film entertaining 
(ROOT (NP (NP (NN screenplay)) (SBAR (S (VP (TO to) (VP (VB keep) (NP (DT the) (NN film)) (S (ADJP (JJ entertaining)))))))))
(ROOT (NP (NP (NN )) (SBAR (S (VP (TO ) (VP (VB ) (NP (DT ) (NN )) (S (ADJP (JJ )))))))))