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: Individuals do populations gain through births and immigration. Question: What do populations gain through births and immigration?
[A]: individuals


[Q]: Sentence: You can expect stormy if a center of low pressure is moving your way. Question: What kind of weather can you expect if a center of low pressure is moving your way?
[A]: stormy


[Q]: Sentence: Estradiol causes the endometrium to thicken during a menstrual cycle. Question: What causes the endometrium to thicken during a menstrual cycle?
[A]:
estradiol