`` over gravel good structures <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (TICK_0 ``) (PP_1 (IN_1 over) (NP_2 (ATNP_0 (JJ_0 gravel) (JJ_1 good)) (NP_4 (NNS_1 structures))))) (APOSTROPHE_0 <apostrophe><apostrophe>)))