premise: Everyone has visited Kapaa, Winchester, Rutherford, Cortland, Douglas, South Bend, Royal Oak, Petaluma, Nampa, Grand Haven, Atchison, Revere, Glassboro, Ashland, Laramie, Swarthmore, Waimea, Vincennes, Monmouth and Pittsfield
hypothesis: Someone didn't visit Monmouth and Pittsfield