input: Please answer the following: Determine the topic of the question-answer pair. Question: "when did thomas jefferson become president?"; Answer: "Elected president in what Jefferson called the Revolution of 1800 , he oversaw the purchase of the vast Louisiana Territory from France (1803), and sent the Lewis and Clark Expedition (18041806) to explore the new west."? Topic:
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output: Thomas Jefferson

Please answer this: Determine the topic of the question-answer pair. Question: "where is loxahatchee fl at?"; Answer: "Loxahatchee is a community located in Palm Beach County , Florida , United States ."? Topic:
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Answer: Loxahatchee, Florida

Problem: Determine the topic of the question-answer pair. Question: "when did secretariat win?"; Answer: "Secretariat (March 30, 1970 October 4, 1989) was an American Thoroughbred racehorse that in 1973 became the first U.S. Triple Crown champion in 25 years."? Topic:

A: Secretariat (horse)

Problem: Given the question: Determine the topic of the question-answer pair. Question: "what day is the feast of st joseph's??"; Answer: "Saint Joseph's Day, March 19, the Feast of St. Joseph is in Western Christianity the principal feast day of Saint Joseph , Spouse of the Blessed Virgin Mary ."? Topic:
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The answer is:
Saint Joseph's Day

input question: Determine the topic of the question-answer pair. Question: "what is middle class in the us?"; Answer: "Depending on class model used, the middle class may constitute anywhere from 25% to 66% of households."? Topic:???
output answer: American middle class

input question: Determine the topic of the question-answer pair. Question: "how is rfid tag powered?"; Answer: "Battery powered tags may operate at hundreds of meters."? Topic:???
output answer:
Radio-frequency identification