in the regional seat into boulders and <apostrophe> , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (IN_0 in) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 regional)) (NN_1 seat)) (PP_0 (IN_1 into) (NP_4 (ATNP_0 (NP_4 (NNS_1 boulders)) (CC_0 and)) (POS_0 <apostrophe>))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))