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: Which BBC current affairs programme, the longest-running in the world, is 60 years old this year ?

Answer: bbc


Question: What is the capital of the US state of California?

Answer: california


Question: Which classic cocktail consists of whisky, sweet vermouth and angostura bitters?

Answer:
angostura bitters