input: Please answer the following: What is the question to: "Cross-country skiing is part of the Nordic skiing sport family, which includes ski jumping , Nordic combined (cross-country skiing and ski jumping), Biathlon (skiing and rifle marksmanship ) and ski-orienteering (which includes map navigation along snow trails and tracks)."? The topic is Cross-country skiing.
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output: "what are the different types of cross country skiing?"

input: Please answer the following: What is the question to: "Human height is the distance from the bottom of the feet to the top of the head in a human body , standing erect."? The topic is Human height.
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output: "how is human height measured?"

input: Please answer the following: What is the question to: "The peso and dollar have been followed by other contemporary issues, including commemorative banknotes, private currency, and a quarter coin designed with Fort San Felipe del Morro in the face."? The topic is Currencies of Puerto Rico.
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output: "what is puerto rico currency?"

input: Please answer the following: What is the question to: "A rocket engine, or simply "rocket", is a jet engine that uses only stored propellant mass for forming its high speed propulsive jet ."? The topic is Rocket engine.
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output:
"how a rocket engine works?"