ClarifyDelphi: Reinforced Clarification Questions with Defeasibility Rewards for Social and Moral Situations Valentina Pyatkin author Jena D Hwang author Vivek Srikumar author Ximing Lu author Liwei Jiang author Yejin Choi author Chandra Bhagavatula author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication pyatkin-etal-2023-clarifydelphi 10.18653/v1/2023.acl-long.630 https://aclanthology.org/2023.acl-long.630/ 2023-07 11253 11271