premise: Esther has visited only twenty-one places
hypothesis: Esther has visited Braintree, Forrest City, Smith Center, River Forest, Everett, Asbury Park, Madison, White Springs, Emporia, Chandler, Delaware, Tucumcari, Auburn, Seward, Vallejo, Oxford, Mundelein, Bellingham, Sonoma, South Holland, Philadelphia and Raleigh