He <apostrophe>ll later sounded who was about Bolivian .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_1 (MD_0 <apostrophe>ll) (RB_1 later)) (VP_5 (VBD_1 sounded) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (VP_0 (VBD_0 was) (PP_1 (IN_1 about) (NP_0 (NNP_0 Bolivian))))))))) (DOT_0 .)))