since face-up going over n<apostrophe>t colder .
(ROOT_0 (S_0 (ATS_3 (NP_1 (IN_2 since) (NN_3 face-up)) (VP_4 (ATVP_0 (VBG_0 going) (PRT_0 (RP_0 over))) (NP_6 (RB_1 n<apostrophe>t) (JJR_0 colder)))) (DOT_0 .)))