That's a good attitude!
( That ( ( 's ( a ( good attitude ) ) ) ! ) )
(ROOT (S (NP (DT That)) (VP (VBZ 's) (NP (DT a) (JJ good) (NN attitude))) (. !)))
You feel good about this, don't you? 
( ( You ( ( feel good ) ( about this ) ) ) ( , ( ( ( do n't ) you ) ? ) ) )
(ROOT (SINV (S (NP (PRP You)) (VP (VBP feel) (ADJP (JJ good)) (PP (IN about) (NP (DT this))))) (, ,) (VP (VBP do) (RB n't)) (NP (PRP you)) (. ?)))