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's what you could've done if things had been different?
( So ( that ( ( 's ( what ( you ( could ( 've ( done ( if ( things ( had ( been different ) ) ) ) ) ) ) ) ) ) ? ) ) )
(ROOT (S (IN So) (NP (DT that)) (VP (VBZ 's) (SBAR (WHNP (WP what)) (S (NP (PRP you)) (VP (MD could) (VP (VB 've) (VP (VBN done) (SBAR (IN if) (S (NP (NNS things)) (VP (VBD had) (VP (VBN been) (ADJP (JJ different)))))))))))) (. ?)))