by boulders like the Vida , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (IN_0 by) (NP_3 (NP_4 (NNS_1 boulders)) (PP_0 (IN_1 like) (NP_2 (DT_0 the) (NNP_1 Vida))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))