can open the door to liberation . 
(ROOT (S (VP (MD can) (VP (VB open) (NP (NP (DT the) (NN door)) (PP (IN to) (NP (NN liberation)))))) (. .)))
(ROOT (S (VP (MD ) (VP (VB ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))))) (. )))