So you'll go back to school if that doesn't work out?
( So ( you ( ( 'll ( ( ( go back ) ( to school ) ) ( if ( that ( ( does n't ) ( work out ) ) ) ) ) ) ? ) ) )
(ROOT (S (IN So) (NP (PRP you)) (VP (MD 'll) (VP (VB go) (PRT (RP back)) (PP (TO to) (NP (NN school))) (SBAR (IN if) (S (NP (DT that)) (VP (VBZ does) (RB n't) (VP (VB work) (PRT (RP out)))))))) (. ?)))
If your plans don't work out will you return to school?
( ( If ( ( your plans ) ( ( do n't ) ( ( work out ) will ) ) ) ) ( you ( ( return ( to school ) ) ? ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP$ your) (NNS plans)) (VP (VBP do) (RB n't) (VP (VB work) (PRT (RP out)) (NP (NN will)))))) (NP (PRP you)) (VP (VBP return) (PP (TO to) (NP (NN school)))) (. ?)))