Problem: Which ancient city in the Middle East did poet John William Burgon describe as 'a rose-red city half as old as time'?
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A: petra

Problem: What is the name of the north American Swan the heaviest living bird native to North America that became almost extinct in the 1930's but has since recovered significantly?
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A: trumpeter

Problem: Who composed the opera Tristan and Isolde?
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A: wagner

Problem: In Norse mythology who was the shield maiden cursed to sleep within a circle of fire?
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A:
brunhilde