because `` to such the boulders of the black grass , she knew .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (ATPP_0 (IN_2 because) (TICK_0 ``)) (PP_2 (TO_0 to) (NP_3 (NP_6 (ATNP_1 (PDT_0 such) (DT_0 the)) (NNS_1 boulders)) (PP_0 (IN_1 of) (NP_2 (ATNP_1 (DT_0 the) (JJ_1 black)) (NN_1 grass)))))) (COMMA_0 ,)) (NP_0 (PRP_1 she))) (VP_3 (VBD_0 knew))) (DOT_0 .)))