premise: Ben has only visited Monaco, Reginald has only visited Tajikistan, Nathaniel has only visited Serbia, Lester has only visited Saint Vincent & the Grenadines, Randall has only visited Kuwait, Howard has only visited Israel, Lawrence has only visited Vatican City, Dave has only visited Armenia, Claude has only visited Afghanistan, Andy has only visited Paraguay, Karl has only visited Angola, Paul has only visited Namibia
hypothesis: Andy didn't visit Paraguay