premise: Leslie has only visited Liechtenstein, Derrick has only visited Philippines, Matthew has only visited Uzbekistan, Lloyd has only visited Senegal, Eduardo has only visited Trinidad & Tobago, Ted has only visited Egypt, Dave has only visited Niger, Isaac has only visited Maldives, Dwayne has only visited Seychelles, Walter has only visited Saint Lucia, Jose has only visited Denmark, Francis has only visited United Kingdom
hypothesis: Lloyd didn't visit Senegal