@inproceedings{feng-etal-2026-c2po, title = "{C}2{PO}: Diagnosing and Disentangling Bias Shortcuts in {LLM}s", author = "Feng, Xuan and An, Bo and Gu, Tianlong and Chang, Liang and Hao, Fengrui and Yu, Peipeng and Zhao, Shuai", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.findings-acl.1226/", pages = "24496--24515", ISBN = "979-8-89176-395-1" }