Does anyone know what happened to chaos?
( Does ( anyone ( ( know ( what ( happened ( to chaos ) ) ) ) ? ) ) )
(ROOT (SQ (NNP Does) (NP (NN anyone)) (VP (VB know) (SBAR (WHNP (WP what)) (S (VP (VBD happened) (PP (TO to) (NP (NN chaos))))))) (. ?)))
I know what happened to chaos.
( I ( ( know ( what ( happened ( to chaos ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP know) (SBAR (WHNP (WP what)) (S (VP (VBD happened) (PP (TO to) (NP (NN chaos))))))) (. .)))