@inproceedings{narayanan-etal-2009-sentiment,
    title = "Sentiment Analysis of Conditional Sentences",
    author = "Narayanan, Ramanathan  and
      Liu, Bing  and
      Choudhary, Alok",
    editor = "Koehn, Philipp  and
      Mihalcea, Rada",
    booktitle = "Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing",
    month = aug,
    year = "2009",
    address = "Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/D09-1019/",
    pages = "180--189"
}