At the grass of the mounds , that wore moved .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 At) (NP_3 (NP_5 (DT_0 the) (NN_2 grass)) (PP_0 (IN_1 of) (NP_2 (DT_0 the) (NNS_1 mounds))))) (COMMA_0 ,)) (NP_0 (DT_1 that))) (VP_3 (VBD_1 wore) (VP_2 (VBN_0 moved)))) (DOT_0 .)))