premise: Mary has visited only nineteen places or only sixteen people
hypothesis: Mary has visited Grants, Decatur, Yuba City, Jacksonville, Galena, Bellows Falls, Deerfield Beach, Sturgis, Great Falls, Galveston, Boonesborough, Estherville, Alameda, Aberdeen, Sag Harbor, Palatka, East Cleveland, Malden, Prairie du Chien and Minot