premise: Wesley has only visited Georgia, Dwight has only visited Chile, Calvin has only visited Benin, Don has only visited Vatican City, Alfred has only visited San Mmarino, Timothy has only visited Dominican Republic, Ken has only visited Bulgaria, Edgar has only visited Belize, Jim has only visited Maldives, Sidney has only visited Uganda, Alex has only visited Tanzania, William has only visited Kyrgyzstan
hypothesis: Alfred didn't visit Marshall Islands