premise: Priscilla has visited Twin Falls, Walsenburg, Beatrice, San Fernando, Seaside, Peshtigo, Sheridan, Indio, Traverse City, Mankato, New Martinsville, Columbus, Alton, Lawrence, Cahokia, Potsdam, Thousand Oaks, New Glarus and Des Moines
hypothesis: Priscilla has visited less than twenty-three places