ahead it keep over . Noah began a muffled knoll .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (ATS_3 (ATS_1 (ADVP_0 (RB_0 ahead)) (NP_0 (PRP_1 it))) (VP_3 (VB_0 keep) (PRT_0 (RP_0 over)))) (DOT_0 .)) (NP_0 (NNP_0 Noah))) (VP_3 (VBD_1 began) (NP_6 (ATNP_1 (DT_0 a) (JJ_1 muffled)) (NN_1 knoll)))) (DOT_0 .)))