This morning refer when he discovered really bare .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 This) (NN_2 morning)) (VP_4 (VBP_0 refer) (SBAR_0 (WHADVP_0 (WRB_0 when)) (S_1 (NP_0 (PRP_1 he)) (VP_5 (VBD_0 discovered) (ADJP_0 (RB_0 really) (JJ_0 bare))))))) (DOT_0 .)))