SemEval-2020 Task 5: Counterfactual Recognition Xiaoyu Yang author Stephen Obadinma author Huasha Zhao author Qiong Zhang author Stan Matwin author Xiaodan Zhu author 2020-12 text Proceedings of the Fourteenth Workshop on Semantic Evaluation Aurelie Herbelot editor Xiaodan Zhu editor Alexis Palmer editor Nathan Schneider editor Jonathan May editor Ekaterina Shutova editor International Committee for Computational Linguistics Barcelona (online) conference publication yang-etal-2020-semeval 10.18653/v1/2020.semeval-1.40 https://aclanthology.org/2020.semeval-1.40/ 2020-12 322 335