premise: Miguel has only visited Papua New Guinea, Perry has only visited Marshall Islands, Jordan has only visited Zimbabwe, Ernest has only visited Maldives, Marcus has only visited Trinidad & Tobago, Willard has only visited Moldova, Anthony has only visited Ukraine, Bryan has only visited Bolivia, Johnny has only visited Mongolia, John has only visited Sweden, Seth has only visited Senegal, Ivan has only visited Eritrea
hypothesis: Seth didn't visit Senegal