premise: Irene has visited only twenty-one places and only nine people
hypothesis: Irene has visited Columbus, Westerly, Winona, Flagstaff, Lewistown, Laramie, Wallingford, Montpelier, Cleburne, Truth or Consequences, Auburn, Cohoes, Oregon City, Watervliet, Chelsea, Independence, San Angelo, Park Forest, Livermore, Honesdale, Chanute and Litchfield