to his the group the grassy cluster , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (TO_0 to) (NP_3 (PRPDOLLAR_0 his) (NP_4 (NP_5 (DT_0 the) (NN_2 group)) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 grassy)) (NN_1 cluster))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))