Did , she could be up her flats .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (ADVP_0 (RB_0 Did)) (COMMA_0 ,)) (NP_0 (PRP_1 she))) (VP_3 (MD_0 could) (VP_1 (ATVP_0 (VB_0 be) (PRT_0 (RP_0 up))) (NP_3 (PRPDOLLAR_0 her) (NNS_0 flats))))) (DOT_0 .)))