No. I guess I'm going too.
( No ( . ( I ( ( guess ( I ( 'm ( going too ) ) ) ) . ) ) ) )
(ROOT (S (INTJ (UH No)) (. .) (NP (PRP I)) (VP (VBP guess) (SBAR (S (NP (PRP I)) (VP (VBP 'm) (VP (VBG going) (ADVP (RB too))))))) (. .)))
I guess I'm not going to come.
( I ( ( guess ( I ( ( 'm not ) ( going ( to come ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP guess) (SBAR (S (NP (PRP I)) (VP (VBP 'm) (RB not) (VP (VBG going) (S (VP (TO to) (VP (VB come))))))))) (. .)))