premise: John has only visited South Korea, Tracy has only visited Belize, Casey has only visited Iran, Stanley has only visited Mali, Byron has only visited Central African Republic, Clyde has only visited Botswana, Jerry has only visited Oman, Rene has only visited Fiji, Neil has only visited Ukraine, Sam has only visited Mauritius, Johnnie has only visited Guyana
hypothesis: Ramon didn't visit Botswana