Do Multi-Hop Question Answering Systems Know How to Answer the Single-Hop Sub-Questions? Yixuan Tang author Hwee Tou Ng author Anthony Tung author 2021-04 text Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume Paola Merlo editor Jorg Tiedemann editor Reut Tsarfaty editor Association for Computational Linguistics Online conference publication tang-etal-2021-multi 10.18653/v1/2021.eacl-main.283 https://aclanthology.org/2021.eacl-main.283/ 2021-04 3244 3249