on a brown friend right , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (IN_0 on) (NP_6 (ATNP_1 (ATNP_1 (DT_0 a) (JJ_1 brown)) (NN_0 friend)) (NN_1 right))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))