ISCAS at SemEval-2020 Task 5: Pre-trained Transformers for Counterfactual Statement Modeling Yaojie Lu author Annan Li author Hongyu Lin author Xianpei Han author Le Sun 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 lu-etal-2020-iscas 10.18653/v1/2020.semeval-1.85 https://aclanthology.org/2020.semeval-1.85/ 2020-12 658 663