premise: Carlos has only visited Republic of the Congo, Virgil has only visited Nepal, Joseph has only visited Myanmar, Edwin has only visited Gambia, Jon has only visited Belize, Eduardo has only visited Spain, Alvin has only visited Malaysia, Rodney has only visited Solomon Islands, Arthur has only visited Romania, Arnold has only visited India, Jose has only visited São Tomé & Prícipe, Ben has only visited Ethiopia
hypothesis: Alvin didn't visit Malaysia