input: Please answer the following: Determine the topic of the question-answer pair. Question: "how much caffeine is in a shot of espresso?"; Answer: "Espresso has more caffeine per unit volume than most beverages, but the usual serving size is smallera typical 60 mL (2 US fluid ounce ) of espresso has 80 to 150 mg of caffeine, little less than the 95 to 200 mg of a standard 240 mL (8 US fluid ounces ) cup of drip-brewed coffee."? Topic:
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output: Espresso

Please answer this: Determine the topic of the question-answer pair. Question: "how does weather happen?"; Answer: "Weather is driven by air pressure (temperature and moisture) differences between one place and another."? Topic:
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Answer: Weather

Problem: Determine the topic of the question-answer pair. Question: "when did playstation 3 first launch?"; Answer: "The launch of the PlayStation 3 into the Japanese market on 10 November 2006 marked the second major seventh generation entertainment system to be released."? Topic:

A: PlayStation 3 launch

Problem: Given the question: Determine the topic of the question-answer pair. Question: "where did hurricane katrina begin?"; Answer: "Hurricane Katrina was the deadliest and most destructive Atlantic hurricane of the 2005 Atlantic hurricane season ."? Topic:
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The answer is:
Hurricane Katrina

input question: Determine the topic of the question-answer pair. Question: "what is firewire used for?"; Answer: "The IEEE 1394 interface is a serial bus interface standard for high-speed communications and isochronous real-time data transfer."? Topic:???
output answer: IEEE 1394

input question: Determine the topic of the question-answer pair. Question: "how many muscles in the human body?"; Answer: "There are approximately 642 skeletal muscles within the typical human, and almost every muscle constitutes one part of a pair of identical bilateral muscles, found on both sides, resulting in approximately 320 pairs of muscles, as presented in this article."? Topic:???
output answer:
List of muscles of the human body