@inproceedings{fabbri2020templatebased,
  title={Template-Based Question Generation from Retrieved Sentences for Improved Unsupervised Question Answering},
  author={Alexander R. Fabbri and Patrick Ng and Zhiguo Wang and Ramesh Nallapati and Bing Xiang},
  booktitle={Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics},
  year={2020}
}