@inproceedings{naturalperturbationforrobustquestion,
  title = {More Bang for Your Buck: Natural Perturbation for Robust Question Answering},
  author = {Daniel Khashabi and Tushar Khot and Ashish Sabharwal},
  year = {2020},
  booktitle = {EMNLP 2020 11},
  eprint = {2004.04849},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2004.04849v2},
}