premise: Ruby has visited Alexandria, Petersburg, Lexington, Anderson, Boise, Vancouver, El Centro, Hialeah, Camden, New Brunswick, Ten Sleep, Greenbelt, Warren, Weston, Norris, Demopolis, San Pedro, Newton, Brunswick, Pompano Beach, Silverton, Lovington, Bessemer, Portsmouth, Spanish Fork, Dickinson, Summit and Oklahoma
hypothesis: Ruby has visited less than twenty-seven places