In the nice knoll , there tried the emerald stones darker as back .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 In) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 nice)) (NN_1 knoll))) (COMMA_0 ,)) (NP_0 (EX_0 there))) (VP_3 (ATVP_4 (VBD_2 tried) (NP_1 (NP_5 (ATNP_1 (DT_0 the) (JJ_1 emerald)) (NNS_1 stones)) (ADJP_0 (JJR_0 darker)))) (ADVP_0 (IN_2 as) (RB_1 back)))) (DOT_0 .)))