She got gangrene in her foot and he said if you don't quit smoking you're going to lose your foot.
( ( ( ( She ( ( got gangrene ) ( in ( her foot ) ) ) ) and ) ( he ( said ( if ( you ( ( do n't ) ( quit ( smoking ( you ( 're ( going ( to ( lose ( your foot ) ) ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP She)) (VP (VBD got) (NP (NN gangrene)) (PP (IN in) (NP (PRP$ her) (NN foot))))) (CC and) (S (NP (PRP he)) (VP (VBD said) (SBAR (IN if) (S (NP (PRP you)) (VP (VBP do) (RB n't) (VP (VB quit) (NP (NP (NN smoking)) (SBAR (S (NP (PRP you)) (VP (VBP 're) (VP (VBG going) (S (VP (TO to) (VP (VB lose) (NP (PRP$ your) (NN foot)))))))))))))))) (. .)))
Continuing to smoke will cause her to lose her foot.
( ( Continuing ( to smoke ) ) ( ( will ( cause ( her ( to ( lose ( her foot ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Continuing)) (PP (TO to) (NP (NN smoke)))) (VP (MD will) (VP (VB cause) (S (NP (PRP her)) (VP (TO to) (VP (VB lose) (NP (PRP$ her) (NN foot))))))) (. .)))