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

Q: Who had hits with Stepping Out and Different For Girls?

A: different for girls
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Q: Who composed 'Belshazzar's Feast' cantata?

A: belshazzar's feast
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Q: Which actress won the 2011 Best Actress Oscar for her role in the film 'Black Swan'?

A:
black swan
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