I had back gaze Off his legs be sporting on .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (ATVP_1 (VBD_1 had) (RB_1 back)) (VP_5 (ATVP_1 (VBP_0 gaze) (PP_2 (IN_0 Off) (NP_3 (PRPDOLLAR_0 his) (NNS_0 legs)))) (VP_1 (VB_0 be) (VP_2 (VBG_0 sporting) (PRT_0 (RP_0 on))))))) (DOT_0 .)))