premise: Timothy has only visited The Bahamas, Robert has only visited Pakistan, Nathaniel has only visited Bulgaria, Darren has only visited Togo, Rodney has only visited Senegal, Albert has only visited Tajikistan, Alexander has only visited Uruguay, Wesley has only visited Switzerland, Terrance has only visited Kenya, Jordan has only visited Turkmenistan, Richard has only visited Malawi, Armando has only visited Portugal
hypothesis: Richard didn't visit Haiti