I discovered when you used off of the one . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBD_0 discovered) (SBAR_0 (WHADVP_0 (WRB_0 when)) (S_1 (NP_0 (PRP_1 you)) (VP_5 (ATVP_3 (VBD_2 used) (PRT_0 (RP_0 off))) (PP_0 (IN_1 of) (NP_5 (DT_0 the) (NN_2 one)))))))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))