Problem: Who is the official usher of the House of Lords
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A: black rod

Problem: It was the last major incident of a conflict and Bockscar was used to carry it out. What are we talking about?
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A: bombing of nagasaki

Problem: Which element is added to iron to make steel?
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A: carbon

Problem: Who, in 1930, painted the picture American Gothic?
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A:
grant wood