@article{alightweightmethodtogenerateunanswerable,
  title = {A Lightweight Method to Generate Unanswerable Questions in English},
  author = {Vagrant Gautam and Miaoran Zhang and Dietrich Klakow},
  year = {2023},
  eprint = {2310.19403},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2310.19403v1},
}