eight single friend dude was back n<apostrophe>t were n<apostrophe>t colder .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_1 (ATNP_0 (CD_0 eight) (JJ_1 single)) (NN_0 friend)) (NN_0 dude)) (VP_4 (ATVP_1 (VBD_1 was) (ADVP_0 (RB_1 back) (RB_1 n<apostrophe>t))) (VP_5 (VBD_0 were) (NP_6 (RB_1 n<apostrophe>t) (JJR_0 colder))))) (DOT_0 .)))