They never left anything here because under on the back coat .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (PRP_0 They)) (ADVP_0 (RB_0 never))) (VP_3 (ATVP_3 (VBD_2 left) (NP_2 (NN_3 anything))) (PP_2 (ATPP_0 (ADVP_0 (RB_0 here)) (IN_2 because)) (PP_2 (IN_0 under) (PP_2 (IN_0 on) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 back)) (NN_1 coat))))))) (DOT_0 .)))