premise: Christina has visited Missouri, Simsbury, Melbourne, New Philadelphia, Saint Augustine, Jacksonville, El Dorado, Chester, Machias, Charleston, North Chicago, Maryland, Bartlesville, Arkansas, Buffalo, Irving, Greenville, Nebraska, Red Wing, Willimantic, Auburn, Brigham City, Hinton, Kettering, Virginia City, Bath, Westminster, Lockport, Oberlin, Marysville and Laurel
hypothesis: Christina has visited more than thirty places