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: Most digestion is completed in the duodenum. Question: Where is most digestion completed?

A: the duodenum
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Q: Sentence: Exposure to ultraviolet radiation can increase the amount of pigment in the skin and make it appear darker. Question: Exposure to what can increase the amount of pigment in the skin and make it appear darker?

A:
ultraviolet radiation
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