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: Light retains its original color under water because frequency remains the same when light is refracted. Question: Light retains its original color under water because what remains the same when light is refracted?
[A]: frequency

[Q]: Sentence: Cranium (skull) is the term for the skeletal structure of the head that supports the face and protects the brain. Question: What is the term for the skeletal structure of the head that supports the face and protects the brain?
[A]: cranium (skull)

[Q]: Sentence: Air weakly scatters visible light. Question: What weakly scatters visible light?
[A]:
air