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

Q: Auld Reekie is the nickname for which Scottish city?

A: auld reekie
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Q: Devil's Tower National Monument in Wyoming, USA features prominently in which landmark 1977 science fiction film?

A: devils tower
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Q: 'Nude Descending A Staircase' is perhaps the most famous painting by which 20th century artist?

A:
nude descending a staircase, no. 2
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