if himself looking over , I <apostrophe>s before hill .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (SBAR_0 (IN_2 if) (S_1 (NP_1 (PRP_0 himself)) (VP_5 (VBG_0 looking) (PRT_0 (RP_0 over))))) (COMMA_0 ,)) (NP_0 (PRP_1 I))) (VP_3 (VBZ_0 <apostrophe>s) (PP_1 (IN_1 before) (NP_2 (NN_3 hill))))) (DOT_0 .)))