@inproceedings{ball-etal-1989-answers,
    title = "Answers and Questions: Processing Messages and Queries",
    author = "Ball, Catherine N.  and
      Dahl, Deborah  and
      Norton, Lewis M.  and
      Hirschman, Lynette  and
      Weir, Carl  and
      Linebarger, Marcia",
    booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Cape Cod, Massachusetts, October 15-18, 1989",
    year = "1989",
    url = "https://aclanthology.org/H89-2009/"
}