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 a negative and unwanted perspective. 
( That ( ( is ( a ( negative ( and ( unwanted perspective ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (VBZ is) (NP (DT a) (JJ negative) (CC and) (JJ unwanted) (NN perspective))) (. .)))