BoolQ: Exploring the Surprising Difficulty of Natural Yes/No Questions Christopher Clark author Kenton Lee author Ming-Wei Chang author Tom Kwiatkowski author Michael Collins author Kristina Toutanova author 2019-06 text Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) Jill Burstein editor Christy Doran editor Thamar Solorio editor Association for Computational Linguistics Minneapolis, Minnesota conference publication clark-etal-2019-boolq 10.18653/v1/N19-1300 https://aclanthology.org/N19-1300/ 2019-06 2924 2936