premise: Enrique has only visited Portugal, Tony has only visited Iran, Angel has only visited Montenegro, Francisco has only visited San Mmarino, Erik has only visited Timor-Leste, Marcus has only visited Haiti, Calvin has only visited Bosnia & Herzegovinia, Edward has only visited Senegal, Rick has only visited Suriname, Bradley has only visited Palau, Casey has only visited Botswana
hypothesis: Gary didn't visit Timor-Leste