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

Q: Which actress played the part of Angie in EastEnders?

A: angie watts
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Q: Who was Domenikos Theotocopoulos better known as?

A: museum of el greco
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Q: Who is credited with inventing bifocals?

A:
bifocals
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