@inproceedings{answerableornotdevisingadatasetfor,
  title = {Answerable or Not: Devising a Dataset for Extending Machine Reading Comprehension},
  author = {Mao Nakanishi and Tetsunori Kobayashi and Yoshihiko Hayashi},
  year = {2018},
  booktitle = {COLING 2018 8},
  url = {https://aclanthology.org/C18-1083},
}