This study attempts to find answers to the question of how a computer program should resolve atThis empirical study attempts to find answers to the question of how a natural language (henceforth tachment by examining naturally occurring PP atNL) system could resolve attachment of preposi- tachments in a typed dialogue domain drawn from a study by Brunner, Whittemore, Ferrara, and Hsu tional phrases (henceforth PPs) by examining nat(1989). Various previously developed theories of urally occurring PP attachments in typed dialogue. .