... detailed model of speech act effects, containing over 400 effects and constraints. It is able to generate a dozen different types of messages, including initiat- ing or terminating a friendship, ... friendship, applying or resign- ing from a job, congratulating or consoling someone, accepting or declining an invitation, encouraging or discouraging someone from doing an act, thanking someone, ... for Declining, Thanking, and Apologising. ward ~ as far as possible. 5. If an effect is indexed by a mitigates link, fol- low the link to the mitigating effect in the other chain. Continue...