did for , , , they had scuffed .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_0 (ATS_0 (ATS_0 (S_2 (VP_0 (VBD_0 did) (PP_1 (IN_1 for)))) (COMMA_0 ,)) (COMMA_0 ,)) (COMMA_0 ,)) (NP_0 (PRP_1 they))) (VP_3 (VBD_1 had) (ADJP_0 (JJ_0 scuffed)))) (DOT_0 .)))