Twilight never was stepping a diamond boulders .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (NNP_0 Twilight)) (ADVP_0 (RB_0 never))) (VP_3 (VBD_1 was) (VP_2 (VBG_0 stepping) (NP_5 (ATNP_1 (DT_0 a) (NN_3 diamond)) (NNS_1 boulders))))) (DOT_0 .)))