It’s a Contradiction – no, it’s not: A Case Study using Functional Relations Alan Ritter author Stephen Soderland author Doug Downey author Oren Etzioni author 2008-10 text Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing Mirella Lapata editor Hwee Tou Ng editor Association for Computational Linguistics Honolulu, Hawaii conference publication ritter-etal-2008-contradiction https://aclanthology.org/D08-1002/ 2008-10 11 20