back unmistakably , , and he meant .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (ATS_0 (ATS_0 (ADVP_0 (RB_0 back)) (ADVP_0 (RB_0 unmistakably))) (COMMA_0 ,)) (COMMA_0 ,)) (CC_0 and)) (S_1 (NP_0 (PRP_1 he)) (VP_5 (VBD_1 meant)))) (DOT_0 .)))