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: Mr Barkis, Edward Murdstone and Tommy Traddles are all characters in which Charles Dickens novel?

Answer: charles dickens


Question: Between 1958 and 1972 all Cliff Richard single records were released on which record label?

Answer: cliff richard


Question: In which West Central African country was Ali Bongo Ondimba elected President in 2009?

Answer:
ali bongo ondimba