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 but I have a plan.
( ( ( ( This ( looks ( really bad ) ) ) but ) ( I ( have ( a plan ) ) ) ) . )
(ROOT (S (S (NP (DT This)) (VP (VBZ looks) (ADJP (RB really) (JJ bad)))) (CC but) (S (NP (PRP I)) (VP (VBP have) (NP (DT a) (NN plan)))) (. .)))