When was the last time you stopped at IUPUI since you graduated?
( When ( ( was ( ( the ( last time ) ) ( you ( ( stopped ( at IUPUI ) ) ( since ( you graduated ) ) ) ) ) ) ? ) )
(ROOT (SBARQ (WHADVP (WRB When)) (SQ (VBD was) (NP (NP (DT the) (JJ last) (NN time)) (SBAR (S (NP (PRP you)) (VP (VBD stopped) (PP (IN at) (NP (NNP IUPUI))) (SBAR (IN since) (S (NP (PRP you)) (VP (VBD graduated))))))))) (. ?)))
Since graduating, when did you last visit IUPUI?
( ( Since graduating ) ( , ( when ( ( ( did you ) ( last ( visit IUPUI ) ) ) ? ) ) ) )
(ROOT (SBARQ (SBAR (IN Since) (FRAG (ADJP (JJ graduating)))) (, ,) (WHADVP (WRB when)) (SQ (VBD did) (NP (PRP you)) (VP (ADVP (RB last)) (VB visit) (NP (NNP IUPUI)))) (. ?)))