@article{seeingisntknowingdovlmsknowwhennottoansw,
  title = {Seeing Isn't Knowing: Do VLMs Know When Not to Answer Spatial Questions (and Why)?},
  author = {Yue Zhang and Zun Wang and Han Lin and Yonatan Bitton and Idan Szpektor and Mohit Bansal},
  year = {2026},
  eprint = {2605.30557},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.30557},
}