premise: Rick has only visited Italy, Leo has only visited Libya, George has only visited Zambia, Brian has only visited Antigua & Barbuda, Nicholas has only visited Vietnam, Chris has only visited Armenia, Reginald has only visited Peru, Edward has only visited South Sudan, Johnnie has only visited Canada, Jerry has only visited Democratic Republic of the Congo, Herman has only visited Tajikistan, Julian has only visited Japan
hypothesis: Johnnie didn't visit Canada