premise: Shane has only visited Rwanda, Francisco has only visited Haiti, Everett has only visited Azerbaijan, Henry has only visited Cuba, Brett has only visited Dominican Republic, Jessie has only visited Netherlands, Darrell has only visited Turkmenistan, Edgar has only visited Botswana, Warren has only visited São Tomé & Prícipe, Kevin has only visited Lebanon, Lewis has only visited Barbados
hypothesis: Edgar didn't visit Botswana