Distinguish Before Answer: Generating Contrastive Explanation as Knowledge for Commonsense Question Answering Qianglong Chen author Guohai Xu author Ming Yan author Ji Zhang author Fei Huang author Luo Si author Yin Zhang author 2023-07 text Findings of the Association for Computational Linguistics: ACL 2023 Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication chen-etal-2023-distinguish 10.18653/v1/2023.findings-acl.835 https://aclanthology.org/2023.findings-acl.835/ 2023-07 13207 13224