@inproceedings{hsieh-etal-2025-teaching, title = "Do What? Teaching Vision-Language-Action Models to Reject the Impossible", author = "Hsieh, Wen-Han and Hsieh, Elvis and Niu, Dantong and Darrell, Trevor and Herzig, Roei and Chan, David M.", editor = "Christodoulopoulos, Christos and Chakraborty, Tanmoy and Rose, Carolyn and Peng, Violet", booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2025", month = nov, year = "2025", address = "Suzhou, China", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2025.findings-emnlp.635/", pages = "11861--11869", ISBN = "979-8-89176-335-7" }