premise: Brian has only visited Austria, Matthew has only visited Macedonia, Freddie has only visited Timor-Leste, Mitchell has only visited Russia, Roland has only visited Mali, Johnny has only visited Nigeria, Jerry has only visited South Korea, Ronnie has only visited Burkina, Lee has only visited Peru, Paul has only visited Guyana, Shane has only visited Pakistan, Glen has only visited Liechtenstein
hypothesis: Lee didn't visit Zimbabwe