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