Input (grade 11): Kazuma Watanabe (æ é å ç Watanabe Kazuma) born 10 August 1986 is a Japanese footballer who plays for Yokohama F. Marinos.
Output (grade 5): Kazuma Watanabe (born 10 August, 1986) is a Japanese football player. He plays for Yokohama F. Marinos and Japan national team.