Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[EX Q]: Who was the only British medal winner at the 2010 Winter Olympics?
[EX A]: 2010 winter olympics

[EX Q]: With eight goals which Barcelona player was the leading scorer in the 2009-10 Champions League?
[EX A]: barcelona

[EX Q]: From which other card game is bridge derived ?
[EX A]:
contract bridge