We're off to save the Galaxy!
( We ( ( 're ( off ( to ( save ( the Galaxy ) ) ) ) ) ! ) )
(ROOT (S (NP (PRP We)) (VP (VBP 're) (ADJP (IN off) (S (VP (TO to) (VP (VB save) (NP (DT the) (NN Galaxy))))))) (. !)))
We refuse to save the galaxy. 
( We ( ( refuse ( to ( save ( the galaxy ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP refuse) (S (VP (TO to) (VP (VB save) (NP (DT the) (NN galaxy)))))) (. .)))