So, we stayed there.
( So ( , ( we ( ( stayed there ) . ) ) ) )
(ROOT (S (ADVP (RB So)) (, ,) (NP (PRP we)) (VP (VBD stayed) (ADVP (RB there))) (. .)))
We were there.
( We ( ( were there ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBD were) (ADVP (RB there))) (. .)))