premise: Lee has only visited Nepal, Micheal has only visited Eswatini, Francis has only visited Armenia, Leslie has only visited South Africa, Freddie has only visited China, Michael has only visited Bulgaria, Theodore has only visited Romania, Maurice has only visited Kuwait, Barry has only visited Mozambique, Leroy has only visited São Tomé & Prícipe, Joel has only visited Montenegro, Fernando has only visited Belgium
hypothesis: Micheal didn't visit Sierra Leone