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))) (. !)))
That is quite a fine stance! 
( That ( ( is ( quite ( a ( fine stance ) ) ) ) ! ) )
(ROOT (S (NP (DT That)) (VP (VBZ is) (NP (RB quite) (DT a) (JJ fine) (NN stance))) (. !)))