but n<apostrophe>t one class that was n<apostrophe>t assigned up .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (CC_0 but) (ADVP_0 (RB_1 n<apostrophe>t) (NP_4 (NP_4 (CD_0 one)) (NN_2 class)))) (NP_0 (DT_1 that))) (VP_3 (ATVP_1 (VBD_1 was) (RB_1 n<apostrophe>t)) (VP_1 (VBN_0 assigned) (ADJP_0 (RP_0 up))))) (DOT_0 .)))