wo n't be talking about the film once you exit the theater 
(ROOT (S (VP (MD wo) (RB n't) (VP (VB be) (VP (VBG talking) (PP (IN about) (NP (DT the) (NN film))) (SBAR (IN once) (S (NP (PRP you)) (VP (VBP exit) (NP (DT the) (NN theater))))))))))
(ROOT (S (VP (MD ) (RB ) (VP (VB ) (VP (VBG ) (PP (IN ) (NP (DT ) (NN ))) (SBAR (IN ) (S (NP (PRP )) (VP (VBP ) (NP (DT ) (NN ))))))))))