to n<apostrophe>t colder Because schoolhouse stones , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (TO_0 to) (NP_3 (NP_6 (RB_1 n<apostrophe>t) (JJR_0 colder)) (PP_0 (IN_1 Because) (NP_2 (JJ_1 schoolhouse) (NNS_1 stones))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))