She did not reply.
( She ( ( ( did not ) reply ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBD did) (RB not) (VP (VB reply))) (. .)))
She responded very quickly.
( She ( ( responded ( very quickly ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBD responded) (ADVP (RB very) (RB quickly))) (. .)))