premise: Larry has only visited Bosnia & Herzegovinia, Kent has only visited San Mmarino, Elmer has only visited Namibia, Isaac has only visited Thailand, Ben has only visited Trinidad & Tobago, Louis has only visited Liechtenstein, Edward has only visited Moldova, Erik has only visited Bhutan, Claude has only visited Sierra Leone, Dwight has only visited Bangladesh, Jon has only visited Indonesia
hypothesis: Larry didn't visit Bosnia & Herzegovinia