this muddy friend is they were Maybe visible .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_1 (DT_0 this) (JJ_1 muddy)) (NN_0 friend)) (VP_4 (VBZ_0 is) (S_1 (NP_0 (PRP_1 they)) (VP_5 (VBD_0 were) (ADJP_0 (RB_0 Maybe) (JJ_0 visible)))))) (DOT_0 .)))