Input (grade 8): Christopher Theodore Ruben Studdard (born September 12, 1978), best known as Ruben Studdard, is an American R&B, pop, and gospel singer. He rose to fame as winner of the second season of American Idol.
Output (grade 9): Ruben Studdard (born September 12, 1978) is an African-American singer who won season 2 of American Idol.