I , legs could never refer to now .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_0 (NP_0 (PRP_1 I)) (COMMA_0 ,)) (NNS_0 legs)) (VP_4 (ATVP_1 (MD_0 could) (ADVP_0 (RB_0 never))) (VP_5 (VBP_0 refer) (PP_2 (TO_0 to) (NP_2 (RB_0 now)))))) (DOT_0 .)))