So I guess they went that far.
( So ( I ( ( guess ( they ( went ( that far ) ) ) ) . ) ) )
(ROOT (S (IN So) (NP (PRP I)) (VP (VBP guess) (SBAR (S (NP (PRP they)) (VP (VBD went) (ADVP (RB that) (RB far)))))) (. .)))
I did not think they would go that far.
( I ( ( ( did not ) ( think ( they ( would ( go ( that far ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD did) (RB not) (VP (VB think) (SBAR (S (NP (PRP they)) (VP (MD would) (VP (VB go) (ADVP (RB that) (RB far)))))))) (. .)))