@inproceedings{Zhang2026GeoChallenge,
  title={GeoChallenge-90K: A Multi-Answer Multiple-Choice Benchmark for Diagram-Grounded Geometric Reasoning},
  author={Zhang, Yushun and Fu, Weiping and Yang, Zesheng and Zhao, Bo and Zhang, Lingling and Zhang, Jian and Fu, Yumeng and Huang, Jiaxing and Liu, Jun},
  booktitle={Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing (EMNLP)},
  year={2026},
  note={Accepted}
}