So I liked that.
( So ( I ( ( liked that ) . ) ) )
(ROOT (S (IN So) (NP (PRP I)) (VP (VBD liked) (NP (DT that))) (. .)))
I did not like that at all.
( I ( ( ( did not ) ( ( like that ) ( at all ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD did) (RB not) (VP (VB like) (NP (DT that)) (ADVP (IN at) (DT all)))) (. .)))