premise: Cecilia has visited Norfolk, La Salle, Sandwich, Wenatchee, Carson City, Menlo Park, Stockbridge, Elgin, Bryan, New Bedford, Lower Southampton, Frederick, Salem, Hillsboro, Brookings, Gloucester, Minot, Littleton, West Seneca, Bethlehem, Des Moines and Elkins
hypothesis: Cecilia has visited less than twenty-one places