Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Charles Bingley was a character in what classic Jane Austen novel?

Answer: charles bingley

Question: What was the first British credit card?

Answer: credit card

Question: In which Australian state is one of the southern hemisphere's most remarkable sites, Ayers Rock?

Answer:
australia