Maybe you was off to his arm .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ADVP_0 (RB_0 Maybe)) (NP_0 (PRP_1 you))) (VP_3 (ATVP_3 (VBD_2 was) (PRT_0 (RP_0 off))) (PP_2 (TO_0 to) (NP_3 (PRPDOLLAR_0 his) (NN_0 arm))))) (DOT_0 .)))