Input (grade 13): In February 2006, Ban declared his candidacy to replace Kofi Annan as UN Secretary-General at the end of 2006, becoming the first South Korean to run for the office.
Output (grade 10): In February 2006, Ban announced his candidacy to replace Kofi Annan as UN Secretary-General at the end of 2006. He was the first South Korean to run for Secretary-General.