It asked remains how brown The back heard .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (VBD_1 asked) (VP_2 (VBZ_0 remains) (SBAR_0 (WHADVP_0 (WRB_0 how) (ADJP_0 (JJ_0 brown))) (S_1 (NP_0 (DT_1 The)) (VP_5 (ADVP_0 (RB_0 back)) (VBN_0 heard))))))) (DOT_0 .)))