teaching , and they dropped terrible as freezing .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (S_2 (VP_0 (VBG_0 teaching))) (COMMA_0 ,)) (CC_0 and)) (S_1 (NP_0 (PRP_1 they)) (VP_5 (VBD_1 dropped) (ADJP_0 (JJ_1 terrible) (PP_1 (IN_1 as) (NP_2 (NN_3 freezing))))))) (DOT_0 .)))