from the real-life story to portray themselves in the film 
(ROOT (S (PP (IN from) (NP (DT the) (NML (JJ real) (HYPH -) (NN life)) (NN story))) (S (VP (TO to) (VP (VB portray) (NP (PRP themselves)) (PP (IN in) (NP (DT the) (NN film))))))))
(ROOT (S (PP (IN ) (NP (DT ) (NML (JJ ) (HYPH ) (NN )) (NN ))) (S (VP (TO ) (VP (VB ) (NP (PRP )) (PP (IN ) (NP (DT ) (NN ))))))))