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: Red-shift refers to a shift toward red in the spectrum from stars. Question: red-shift refers to a shift toward red in the spectrum from what celestial bodies?
[A]: stars


[Q]: Sentence: The name of positive ion ion always comes first. Question: The name of which ion always comes first?
[A]: positive ion


[Q]: Sentence: Coloration often helps an animal attract a mate. Question: Which adaptation often helps an animal attract a mate?
[A]:
coloration