@inproceedings{ding-zhang-2026-causal,
    title = "Causal Tongue-Tie: {LLM}s Can Encode Causal Direction, But Their Yes/No Outputs Fail to Express",
    author = "Ding, Ziyi  and
      Zhang, Xiao-Ping",
    editor = "Lee, Hung-Yi  and
      Dev, Sunipa  and
      Li, Jessy  and
      Elliott, Desmond",
    booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2026",
    address = "Budapest, Hungary",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2026.emnlp-main.217/",
    pages = "4976--4998",
    ISBN = "979-8-89176-459-0"
}