what makes the film special 
(ROOT (SBAR (WHNP (WP what)) (S (VP (VBZ makes) (S (NP (DT the) (NN film)) (ADJP (JJ special)))))))
(ROOT (SBAR (WHNP (WP )) (S (VP (VBZ ) (S (NP (DT ) (NN )) (ADJP (JJ )))))))