premise: Robert has only visited Panama, Ross has only visited Madagascar, Maurice has only visited New Zealand, Kirk has only visited Greece, Willie has only visited Bosnia & Herzegovinia, Timothy has only visited Djibouti, Alexander has only visited Sri Lanka, Floyd has only visited San Mmarino, Nelson has only visited South Sudan, Allan has only visited Belize, Greg has only visited Burundi, Kelly has only visited Côte D'ivore
hypothesis: Bruce didn't visit Madagascar