may be wondering what all that jazz was about `` chicago '' in 2002 . 
(ROOT (S (VP (MD may) (VP (VB be) (VP (VBG wondering) (SBAR (WHNP (WP what)) (S (NP (PDT all) (WDT that) (NN jazz)) (VP (VBD was) (PP (IN about) (`` ``) (NP (NNP chicago)) ('' '')) (PP (IN in) (NP (CD 2002))))))))) (. .)))
(ROOT (S (VP (MD ) (VP (VB ) (VP (VBG ) (SBAR (WHNP (WP )) (S (NP (PDT ) (WDT ) (NN )) (VP (VBD ) (PP (IN ) (`` ) (NP (NNP )) ('' )) (PP (IN ) (NP (CD ))))))))) (. )))