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)))))))))
How did you decide to do that?
( How ( ( ( did you ) ( decide ( to ( do that ) ) ) ) ? ) )
(ROOT (SBARQ (WHADVP (WRB How)) (SQ (VBD did) (NP (PRP you)) (VP (VB decide) (S (VP (TO to) (VP (VB do) (NP (DT that))))))) (. ?)))