I firmly am committed to that.
( I ( firmly ( ( am ( committed ( to that ) ) ) . ) ) )
(ROOT (S (NP (PRP I)) (ADVP (RB firmly)) (VP (VBP am) (VP (VBN committed) (PP (TO to) (NP (DT that))))) (. .)))
I'm apathetic to that.
( I ( ( 'm ( apathetic ( to that ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP 'm) (VP (VBG apathetic) (PP (TO to) (NP (DT that))))) (. .)))