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

[Q]: What was the title of Britney Spears' second album (and the single that was released from it)?
[A]: britney spears


[Q]: Everything Changes, Beautiful World and Circus are all albums released by which British band?
[A]: beautiful world


[Q]: Who did Alan Lake marry in 1968?
[A]:
alan lake