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

[Q]: Who was re-elected Prime Minister of Canada in May 2011?
[A]: prime minister of canada


[Q]: 'Mrs Dalloway' and To the Lighthouse' are among the works of which writer?
[A]: to the lighthouse


[Q]: What was the name of the first artificial satellite sent into space?
[A]:
satellite