premise: Martin has only visited India, Eddie has only visited Namibia, Jimmie has only visited Zambia, Danny has only visited Guinea-Bissau, Roberto has only visited South Sudan, Nicholas has only visited Ethiopia, Clifford has only visited Fiji, Terrance has only visited Botswana, Hector has only visited Kazakhstan, Craig has only visited Tajikistan, Ralph has only visited Chad, Benjamin has only visited Dominican Republic
hypothesis: Nelson didn't visit Dominican Republic