premise: Harriet has visited Tillamook, Cody, Murray, Payson, Huntington Beach, Houlton, Spartanburg, Watertown, Hobbs, Lynn, Window Rock, Rome, Albany, Virginia City, Glenwood Springs, McKeesport, Berea, Bluefield, Pryor, Salisbury, Silverton and Ventura
hypothesis: Harriet has visited less than twenty-seven places