premise: Ray has only visited Vietnam, Lance has only visited Guatemala, Edward has only visited Bangladesh, Gordon has only visited Egypt, Norman has only visited Federated States of Micronesia, Corey has only visited Croatia, Jerome has only visited Côte D'ivore, Francisco has only visited San Mmarino, Karl has only visited Haiti, Roger has only visited Saint Lucia
hypothesis: Darryl didn't visit Federated States of Micronesia