all conference were if his teeth stand on .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 all) (NN_2 conference)) (VP_4 (VBD_0 were) (SBAR_0 (IN_2 if) (S_1 (NP_0 (PRPDOLLAR_0 his) (NNS_0 teeth)) (VP_5 (VB_0 stand) (PRT_0 (RP_0 on))))))) (DOT_0 .)))