who is not a character in this movie 
(ROOT (SBAR (WHNP (WP who)) (S (VP (VBZ is) (RB not) (NP (DT a) (NN character)) (PP (IN in) (NP (DT this) (NN movie)))))))
(ROOT (SBAR (WHNP (WP )) (S (VP (VBZ ) (RB ) (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN )))))))