premise: Adrian has only visited Grenada, Darryl has only visited Andorra, Bruce has only visited Seychelles, Joshua has only visited Gambia, Glenn has only visited Guinea, Cory has only visited Qatar, Jordan has only visited Mozambique, Howard has only visited Nicaragua, Rick has only visited Belize, Patrick has only visited Côte D'ivore, Raymond has only visited Costa Rica
hypothesis: Raymond didn't visit Costa Rica