@inproceedings{agarwal-etal-2026-kcl, title = "{KCL}-Cogstack at {P}sy{D}ef{D}etect: A Hierarchical Approach to Detecting Defense Mechanisms in Supportive Dialogue", author = "Agarwal, Shubham and Searle, Thomas and Dobson, Richard", editor = "Gupta, Deepak and Demner-Fushman, Dina", booktitle = "Proceedings of the {B}io{NLP} 2026 (Shared Tasks)", month = jul, year = "2026", address = "San Diego, California, USA", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl-workshops/2026.bionlp-2.22/", pages = "155--163", ISBN = "979-8-89176-435-4" }