Please answer this: Determine the topic of the question-answer pair. Question: "how many consoles has xbox 360 sold?"; Answer: "As of September 30, 2012, 70 million Xbox 360 consoles have been sold worldwide."? Topic:
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Answer: Xbox 360

Please answer this: Determine the topic of the question-answer pair. Question: "what is an irregular heartbeat pvc?"; Answer: "In a PVC, the ventricles contract first and before the atria have optimally filled the ventricles with blood, which means that circulation is inefficient."? Topic:
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Answer: Premature ventricular contraction

Please answer this: Determine the topic of the question-answer pair. Question: "what year did South Africa become a team in rugby?"; Answer: "The side has been playing international rugby since 1891, when a British Isles side toured the nation, playing South Africa in their first Test on 30 July."? Topic:
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Answer:
South Africa national rugby union team