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

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


[Q]: Who was Minister-Chairman of the Russian Provisional Government and Prime Minister of Russia from 21 July 1917 (following the abdication of Tsar Nicholas II) to 8 November 1917 (the Bolshevik revolution), who is buried in Putney Vale Cemetery, London?
[A]: russian revolution


[Q]: Anaphylaxis is what sort of life-threatening illness?
[A]:
anaphylaxis