and he was looking below for <apostrophe><apostrophe> .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 and) (NP_1 (PRP_0 he))) (VP_3 (VBD_1 was) (VP_2 (VBG_0 looking) (PP_2 (ATPP_0 (ADVP_0 (RB_0 below)) (IN_2 for)) (APOSTROPHE_0 <apostrophe><apostrophe>))))) (DOT_0 .)))