what makes the movie special is its utter sincerity . 
(ROOT (S (SBAR (WHNP (WP what)) (S (VP (VBZ makes) (S (NP (DT the) (NN movie)) (ADJP (JJ special)))))) (VP (VBZ is) (NP (PRP$ its) (JJ utter) (NN sincerity))) (. .)))
(ROOT (S (SBAR (WHNP (WP )) (S (VP (VBZ ) (S (NP (DT ) (NN )) (ADJP (JJ )))))) (VP (VBZ ) (NP (PRP$ ) (JJ ) (NN ))) (. )))