problem is , we have no idea what in creation is going on . 
(ROOT (S (NP (NN problem)) (VP (VBZ is) (, ,) (SBAR (S (NP (PRP we)) (VP (VBP have) (NP (DT no) (NN idea) (SBAR (WHNP (WP what)) (S (PP (IN in) (NP (NN creation))) (VP (VBZ is) (VP (VBG going) (PRT (RP on))))))))))) (. .)))
(ROOT (S (NP (NN )) (VP (VBZ ) (, ) (SBAR (S (NP (PRP )) (VP (VBP ) (NP (DT ) (NN ) (SBAR (WHNP (WP )) (S (PP (IN ) (NP (NN ))) (VP (VBZ ) (VP (VBG ) (PRT (RP ))))))))))) (. )))