premise: Edwin has only visited Timor-Leste, Dwight has only visited Myanmar, Mike has only visited Qatar, Ramon has only visited Lebanon, Jeffrey has only visited Equatorial Guinea, Alvin has only visited Czech Republic, William has only visited Cameroon, Albert has only visited Thailand, Ricky has only visited Libya, Jose has only visited Eritrea, Paul has only visited Tunisia, Clayton has only visited Kiribati
hypothesis: Gary didn't visit Lebanon