Task: Explanation
Input (English): Yang Yun-ho (born November 11, 1966) is a South Korean film director and screenwriter. His feature film debut "Yuri" (1996) screened at the Critics' Week of the Cannes Film Festival. Among the films Yang has directed since are "Libera Me" (2000), "Fighter in the Wind" (2004, for which he received a Best Adapted Screenplay nomination at the 2005 Grand Bell Awards), "Holiday" (2006), "Rainbow Eyes" (2007), and "Grand Prix" (2010). He also co-directed the 2009 television series "Iris" and its film version, "Iris: The Movie". Question: Yang Yun-ho has directed the 2004 South Korean film based on which Japanese book? Answer: Karate Baka Ichidai
Output (English):  Among the films Yang has directed since are Libera Me 2000, Fighter in the Wind 2004, for which he received a Best Adapted Screenplay nomination at the 2005 Grand Bell Awards, Holiday 2006, Rainbow Eyes 2007, and Grand Prix 2010.