The correct answer is: B. Moderator : Debate
An umpire is a person who officiates a game, and a moderator is a person who presides over a debate. Both umpires and moderators are responsible for ensuring that the game or debate is conducted fairly and according to the rules.
A prodigy is a child who shows exceptional talent or ability at an early age. A wonder is something that causes great surprise or admiration. While a prodigy may be considered a wonder, the two words do not have the same relationship as umpire and game.
A legislator is a person who makes laws. An election is a process by which people choose their leaders. While a legislator may be elected, the two words do not have the same relationship as umpire and game.
A chef is a person who cooks professionally. A banquet is a large, formal meal. While a chef may cook for a banquet, the two words do not have the same relationship as umpire and game.