they , feathers came used sporting to help .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_0 (NP_0 (PRP_1 they)) (COMMA_0 ,)) (NNS_0 feathers)) (VP_4 (VBD_2 came) (S_2 (VP_0 (VBD_2 used) (VP_2 (VBG_0 sporting) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 help))))))))) (DOT_0 .)))