is that what you ended up going into
( ( is that ) ( what ( you ( ( ended up ) ( going into ) ) ) ) )
(ROOT (SINV (VP (VBZ is)) (NP (DT that)) (SBAR (WHNP (WP what)) (S (NP (PRP you)) (VP (VBD ended) (PRT (RP up)) (S (VP (VBG going) (PP (IN into)))))))))
So that must be what you chose to do?
( So ( that ( ( must ( be ( what ( you ( chose ( to do ) ) ) ) ) ) ? ) ) )
(ROOT (SBARQ (RB So) (WHADVP (IN that)) (SQ (VP (MD must) (VP (VB be) (SBAR (WHNP (WP what)) (S (NP (PRP you)) (VP (VBD chose) (S (VP (TO to) (VP (VB do)))))))))) (. ?)))