Task: Question Generation
Input (English): Kimihiko Onizuka (Sadao Abe) is a salaryman infatuated with maiko (apprentice geisha) and whose greatest goal in life is to play a party game called yakyuken with one. Upon being transferred to his company's Kyoto branch, he dumps his coworker girlfriend Fujiko (Kou Shibasaki) and makes his first ever visit to a geisha house. However, when the realization of Kimihiko's lifelong dream is rudely interrupted by a professional baseball star named Kiichiro Naito (Shinichi Tsutsumi), he vows revenge by becoming a pro baseball player himself. Meanwhile, Fujiko decides to become an apprentice geisha. A rivalry between Kimihiko and Naito ensues where they try to out-do each other at baseball, K-1, cooking, acting and even politics.
Output (English): Question: He vows revenge by doing what?, Answer: By becoming a pro baseball player.