Samuel Murez, born October 22, 1982, is a Franco-American director, choreographer, film-maker, editor, composer, producer, and dancer. He has been a member of the Paris Opera Ballet since 2001. He has been the artistic director of 3e étage, an independent group of soloists and dancers of the Paris Opera Ballet, since its founding in 2004. Using only the above description and what you know about the world, "Samuel Murez' middle name is Arthur." is definitely correct, incorrect, or inconclusive? 