Bill has visited only twenty-three places or only eight people
Bill has visited Gambia, Vanuatu, Algeria, Saint Lucia, Germany, Afghanistan, Greece, Brazil, Venezuela, Namibia, Ukraine, Pakistan, Equatorial Guinea, Saint Kitts & Nevis, Barbados, Botswana, Tanzania, Saint Vincent & the Grenadines, Seychelles, Cabo, Democratic Republic of the Congo, Côte D'ivore, Georgia and Iran