under the stones , there captivated back ballet .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 under) (NP_3 (DT_0 the) (NNS_1 stones))) (COMMA_0 ,)) (NP_0 (EX_0 there))) (VP_3 (ATVP_1 (VBD_0 captivated) (RB_1 back)) (ADJP_0 (JJ_0 ballet)))) (DOT_0 .)))