Can LLMs make trade-offs involving stipulated pain and pleasure states? - Geoff Keeling; Winnie Street; Martyna Stachaczyk; Daria Zakharova; Iulia M. Comsa; Anastasiya Sakovych; Isabella Logothesis; Zejia Zhang; Blaise Agüera y Arcas; Jonathan Birch (CoRR, 2024)