This doesn't look good.
( This ( ( ( does n't ) ( look good ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ does) (RB n't) (VP (VB look) (ADJP (JJ good)))) (. .)))
This looks really bad.
( This ( ( looks ( really bad ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ looks) (ADJP (RB really) (JJ bad))) (. .)))