understand why anyone in his right mind would even think to make the attraction a movie 
(ROOT (S (VP (VB understand) (SBAR (WHADVP (WRB why)) (S (NP (NP (NN anyone)) (PP (IN in) (NP (PRP$ his) (JJ right) (NN mind)))) (VP (MD would) (ADVP (RB even)) (VP (VB think) (S (VP (TO to) (VP (VB make) (S (NP (DT the) (NN attraction)) (NP (DT a) (NN movie)))))))))))))
(ROOT (S (VP (VB ) (SBAR (WHADVP (WRB )) (S (NP (NP (NN )) (PP (IN ) (NP (PRP$ ) (JJ ) (NN )))) (VP (MD ) (ADVP (RB )) (VP (VB ) (S (VP (TO ) (VP (VB ) (S (NP (DT ) (NN )) (NP (DT ) (NN )))))))))))))