so The was Trailing before navy warm .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ADVP_0 (RB_0 so)) (NP_0 (DT_1 The))) (VP_3 (VBD_1 was) (VP_2 (VBG_0 Trailing) (PP_2 (IN_0 before) (NP_3 (NN_3 navy) (JJ_0 warm)))))) (DOT_0 .)))