premise: Jon has only visited Gabon, Henry has only visited Mauritius, Mark has only visited Guatemala, Leon has only visited Thailand, Joel has only visited Mozambique, Lloyd has only visited Israel, Gene has only visited Bolivia, Calvin has only visited Canada, Jordan has only visited Kyrgyzstan, Eddie has only visited Hungary, Alfredo has only visited Uganda, Jesus has only visited Djibouti
hypothesis: Alfredo didn't visit Uganda