Problem: Given the question: Determine the topic of the question-answer pair. Question: "How many consecutive games did Ken Jennings win??"; Answer: "In 2004, Jennings won 74 Jeopardy!"? Topic:
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The answer is:
Ken Jennings

input question: Determine the topic of the question-answer pair. Question: "where was the fugitive slave law made?"; Answer: "The Fugitive Slave Law or Fugitive Slave Act was passed by the United States Congress on September 18, 1850, as part of the Compromise of 1850 between Southern slave-holding interests and Northern Free-Soilers ."? Topic:???
output answer: Fugitive Slave Act of 1850

Determine the topic of the question-answer pair. Question: "what does xylem transport?"; Answer: "Its basic function is to transport water, but it also transports some nutrients through the plant."? Topic:
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Answer: Xylem

Q: Determine the topic of the question-answer pair. Question: "when did lucy stone died?"; Answer: "Lucy Stone (August 13, 1818 October 19, 1893) was a prominent American abolitionist and suffragist , and a vocal advocate and organizer promoting rights for women ."? Topic:
A: Lucy Stone

Question: Determine the topic of the question-answer pair. Question: "where did the persian war take place?"; Answer: "In 494 BC, the Persians regrouped, and attacked the epicentre of the revolt in Miletus."? Topic:
Answer: Greco-Persian Wars

Please answer this: Determine the topic of the question-answer pair. Question: "how fire extinguisher works?"; Answer: "Cartridge-operated extinguishers contain the expellant gas in a separate cartridge that is punctured prior to discharge, exposing the propellant to the extinguishing agent."? Topic:
++++++++
Answer:
Fire extinguisher