R4C: A Benchmark for Evaluating RC Systems to Get the Right Answer for the Right Reason Naoya Inoue author Pontus Stenetorp author Kentaro Inui author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication inoue-etal-2020-r4c 10.18653/v1/2020.acl-main.602 https://aclanthology.org/2020.acl-main.602/ 2020-07 6740 6750