He <apostrophe>s her colder tunic coat .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (VBZ_0 <apostrophe>s) (NP_6 (ATNP_1 (ATNP_1 (PRPDOLLAR_0 her) (JJR_0 colder)) (NN_0 tunic)) (NN_1 coat)))) (DOT_0 .)))