Problem: Given the question: What is the question to: "Nexen Tire is a tire manufacturer, headquartered in Yangsan , South Gyeongsang Province , and Seoul , both in South Korea ."? The topic is Nexen Tire.
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The answer is:
"Who Makes Nexen Tires?"

Problem: Given the question: What is the question to: "Christian right is a term used in the United States to describe right-wing Christian political groups that are characterized by their strong support of socially conservative policies."? The topic is Christian right.
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The answer is:
"what is a right wing christian?"

Problem: Given the question: What is the question to: "There have been four successful robotically operated Mars rovers."? The topic is Mars rover.
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The answer is:
"how many land rovers have landed on mars?"