as i laughed throughout the movie 
(ROOT (SBAR (IN as) (S (NP (PRP i)) (VP (VBD laughed) (PP (IN throughout) (NP (DT the) (NN movie)))))))
(ROOT (SBAR (IN ) (S (NP (PRP )) (VP (VBD ) (PP (IN ) (NP (DT ) (NN )))))))