a few hours after you 've seen it , you forget you 've been to the movies . 
(ROOT (S (SBAR (NP (DT a) (JJ few) (NNS hours)) (IN after) (S (NP (PRP you)) (VP (VBP 've) (VP (VBN seen) (NP (PRP it)))))) (, ,) (NP (PRP you)) (VP (VBP forget) (SBAR (S (NP (PRP you)) (VP (VBP 've) (VP (VBN been) (PP (IN to) (NP (DT the) (NNS movies)))))))) (. .)))
(ROOT (S (SBAR (NP (DT ) (JJ ) (NNS )) (IN ) (S (NP (PRP )) (VP (VBP ) (VP (VBN ) (NP (PRP )))))) (, ) (NP (PRP )) (VP (VBP ) (SBAR (S (NP (PRP )) (VP (VBP ) (VP (VBN ) (PP (IN ) (NP (DT ) (NNS )))))))) (. )))