on his maroon knoll of diamond , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (IN_0 on) (NP_3 (NP_6 (ATNP_1 (PRPDOLLAR_0 his) (NN_0 maroon)) (NN_1 knoll)) (PP_0 (IN_1 of) (NP_5 (NN_3 diamond))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))