since position was shifted for an luggage .
(ROOT_0 (S_0 (ATS_3 (NP_1 (IN_2 since) (NN_3 position)) (VP_4 (VBD_1 was) (VP_2 (VBN_0 shifted) (PP_0 (IN_1 for) (NP_5 (DT_0 an) (NN_2 luggage)))))) (DOT_0 .)))