@inproceedings{generatingquestionanswerhierarchies,
  title = {Generating Question-Answer Hierarchies},
  author = {Kalpesh Krishna and Mohit Iyyer},
  year = {2019},
  booktitle = {ACL 2019 7},
  eprint = {1906.02622},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1906.02622v2},
}