In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
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Question: Sentence: The speed of sound depends on medium. Question: The speed of sound depends on what?

Answer: medium


Question: Sentence: The mineral quartz is used to produce glass. Question: What mineral is used to produce glass?

Answer: quartz


Question: Sentence: Nuclear power plants produce electricity through induced fission. Question: Nuclear power plants produce electricity through what?

Answer:
induced fission