... but llm~ted response to pragmatically ill-formed queries. This response satisfies the user's per- ceived needs, inferred beth from the preceding dialogue and the ill-formed utterance. In ... maximum enrollments of lower-level courses in other departments. The sample utterance is pragmatically ill-formed since world model constraints prohibit the restricted relations specified by ... UNDERSTANDING PRAGMATICALLY ILL-FORMED INPUT FL Sandra Carberry Department of Computer Science University of Delaware...