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