on a rough friend , the friend would used over now back .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 on) (NP_6 (ATNP_1 (DT_0 a) (JJ_1 rough)) (NN_1 friend))) (COMMA_0 ,)) (NP_0 (DT_0 the) (NN_2 friend))) (VP_3 (MD_0 would) (VP_1 (ATVP_2 (ATVP_4 (VBN_0 used) (ADJP_0 (RP_0 over))) (ADVP_0 (RB_0 now))) (ADVP_0 (RB_0 back))))) (DOT_0 .)))