Noah back ahead knew so so was .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (NNP_0 Noah)) (ADVP_0 (RB_1 back) (RB_1 ahead))) (VP_3 (ATVP_1 (VBD_1 knew) (RB_1 so)) (VP_1 (ADVP_0 (RB_0 so)) (VBD_1 was)))) (DOT_0 .)))