@inproceedings{liu-yu-2020-blcu,
    title = "{BLCU}-{NLP} at {S}em{E}val-2020 Task 5: Data Augmentation for Efficient Counterfactual Detecting",
    author = "Liu, Chang  and
      Yu, Dong",
    editor = "Herbelot, Aurelie  and
      Zhu, Xiaodan  and
      Palmer, Alexis  and
      Schneider, Nathan  and
      May, Jonathan  and
      Shutova, Ekaterina",
    booktitle = "Proceedings of the Fourteenth Workshop on Semantic Evaluation",
    month = dec,
    year = "2020",
    address = "Barcelona (online)",
    publisher = "International Committee for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2020.semeval-1.81/",
    doi = "10.18653/v1/2020.semeval-1.81",
    pages = "633--639"
}