them <apostrophe>s colder and higher it was .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 them)) (VP_4 (ATVP_2 (VBZ_0 <apostrophe>s) (ADVP_0 (ATADVP_3 (JJR_0 colder) (CC_0 and)) (JJR_0 higher))) (SBAR_0 (S_1 (NP_0 (PRP_1 it)) (VP_5 (VBD_1 was)))))) (DOT_0 .)))