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: Minerals form when they precipitate from hot fluids that have done cooled down. Question: Minerals form when they precipitate from hot fluids that have done what?
[A]: cooled down


[Q]: Sentence: Range is the maximum horizontal distance traveled by a projectile. Question: What is the maximum horizontal distance traveled by a projectile?
[A]: range


[Q]: Sentence: Reduced family size is the key to the demographic transition. Question: What is the key to the demographic transition?
[A]:
reduced family size