premise: Dwight has only visited Macedonia, Virgil has only visited United States, Paul has only visited Kosovo, Johnnie has only visited Honduras, Matthew has only visited Ethiopia, Kent has only visited Palestine, Franklin has only visited Costa Rica, Harold has only visited Liechtenstein, Lee has only visited Nepal, Greg has only visited Mozambique, Darryl has only visited Central African Republic, Alan has only visited Seychelles
hypothesis: Paul didn't visit Argentina