wondering what all that jazz was about `` chicago '' in 2002 
(ROOT (S (VP (VBG wondering) (SBAR (WHNP (WP what)) (S (NP (DT all) (DT that) (NN jazz)) (VP (VBD was) (PP (IN about)) (`` ``) (NP (NNP chicago)) ('' '') (PP (IN in) (NP (CD 2002)))))))))
(ROOT (S (VP (VBG ) (SBAR (WHNP (WP )) (S (NP (DT ) (DT ) (NN )) (VP (VBD ) (PP (IN )) (`` ) (NP (NNP )) ('' ) (PP (IN ) (NP (CD )))))))))