premise: Norma has visited Portland, West Des Moines, American Fork, Stroudsburg, Euclid, Nashville, Cambridge, Iowa City, Ventura, Palm Springs, Bristol, Borger, Lewes, Anderson, Culver City, Cody, Boone, McPherson, Mount Pleasant, Chapel Hill, Albany, Newport, Oroville, Ottawa, Branford and Benton
hypothesis: Norma has visited less than thirty-one places