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: Leaves changing color on trees of these is the best sign that the fall season has begun. Question: Which of these is the BEST sign that the fall season has begun?

A: Leaves changing color on trees
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Q: Sentence: The brain is the most complex organ in the human body. Question: What is the most complex organ in the human body?

A: brain
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Q: Sentence: Exact wavelength determines the color of visible light. Question: What determines the color of visible light?

A:
exact wavelength
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