on his brown perch fleece at face-up , it was white but that was n<apostrophe>t back . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (ATS_4 (ATS_0 (ATS_2 (PP_2 (IN_0 on) (NP_3 (NP_6 (ATNP_1 (ATNP_0 (PRPDOLLAR_0 his) (JJ_0 brown)) (NN_0 perch)) (NN_1 fleece)) (PP_0 (IN_1 at) (NP_5 (NN_3 face-up))))) (COMMA_0 ,)) (S_1 (NP_0 (PRP_1 it)) (VP_5 (VBD_1 was) (ADJP_0 (JJ_0 white))))) (CC_0 but)) (S_1 (NP_0 (DT_1 that)) (VP_5 (VBD_1 was) (ADVP_0 (RB_1 n<apostrophe>t) (RB_1 back))))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))