by a thunder , he was back lacy of the boulders . Noah did what to be .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 by) (NP_5 (DT_0 a) (NN_2 thunder))) (COMMA_0 ,)) (NP_0 (PRP_1 he))) (VP_3 (ATVP_3 (ATVP_4 (VBD_1 was) (RB_1 back)) (ADVP_0 (RB_0 lacy))) (PP_1 (IN_1 of) (NP_2 (DT_0 the) (NNS_1 boulders))))) (DOT_0 .)) (NP_0 (NNP_0 Noah))) (VP_3 (VBD_0 did) (SBAR_0 (WHNP_0 (WP_0 what)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 be))))))) (DOT_0 .)))