premise: Dave has only visited North Korea, Dwayne has only visited Togo, Roy has only visited Macedonia, Charlie has only visited Saint Vincent & the Grenadines, Jerome has only visited Ireland, Joshua has only visited Georgia, Louis has only visited South Korea, Jonathan has only visited Pakistan, Nathaniel has only visited Egypt, Tyrone has only visited Mongolia, Ramon has only visited Serbia, Jordan has only visited Algeria
hypothesis: Glenn didn't visit Macedonia