Now, I'm on a journey.
( Now ( , ( I ( ( 'm ( on ( a journey ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Now)) (, ,) (NP (PRP I)) (VP (VBP 'm) (PP (IN on) (NP (DT a) (NN journey)))) (. .)))
I have decided not to go on a journey.
( I ( ( have ( decided ( not ( to ( go ( on ( a journey ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP have) (VP (VBN decided) (S (RB not) (VP (TO to) (VP (VB go) (PP (IN on) (NP (DT a) (NN journey)))))))) (. .)))