`` of stones story slithered phrase so <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (TICK_0 ``) (PP_1 (IN_1 of) (NP_2 (NP_4 (NP_4 (NNS_1 stones)) (NN_2 story)) (VP_2 (ATVP_2 (VBD_2 slithered) (NP_3 (NN_3 phrase))) (ADVP_0 (RB_0 so)))))) (APOSTROPHE_0 <apostrophe><apostrophe>)))