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.

Q: Sentence: Beta decay occurs when an unstable nucleus emits a beta particle and energy. Question: What occurs when an unstable nucleus emits a beta particle and energy?

A: beta decay
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Q: Sentence: The cardiovascular system in the human body consists of the heart, a network of blood vessels, and blood. Question: Which system in the human body consists of the heart, a network of blood vessels, and blood?

A: cardiovascular system
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Q: Sentence: Rising and sinking air influences precipitation in a region. Question: What does rising and sinking air influence in a region?

A:
precipitation
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