premise: Sheila has visited only nineteen places and only thirteen people
hypothesis: Sheila has visited Oneida, Alamosa, Abilene, Saint Martinville, Rockford, Odessa, Andalusia, Salinas, Hyde Park, Boston, Quincy, Palm Springs, Branson, Wellsburg, Irvine, Monmouth, Cape Girardeau, Tiffin, Northfield and Hempstead