while you left to speak , he was going Behind the charge for face-up .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (SBAR_0 (IN_2 while) (S_1 (NP_0 (PRP_1 you)) (VP_5 (VBD_2 left) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 speak))))))) (COMMA_0 ,)) (NP_0 (PRP_1 he))) (VP_3 (VBD_1 was) (VP_2 (VBG_0 going) (PP_2 (IN_0 Behind) (NP_3 (NP_5 (DT_0 the) (NN_2 charge)) (PP_0 (IN_1 for) (NP_2 (NN_3 face-up)))))))) (DOT_0 .)))