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(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 Another) (NN_2 luggage)) (VP_4 (ATVP_1 (VBZ_0 <apostrophe>s) (PRT_0 (RP_0 down))) (VP_1 (VB_0 be) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_3 (VBD_0 did) (NP_6 (NN_3 gravel) (JJ_0 green))) (S_2 (NP_1 (PRP_0 them)) (VP_2 (VBG_0 translating) (PP_2 (TO_0 to) (NP_3 (DT_0 a) (NN_2 air))))))))))) (DOT_0 .)))