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: There are four valves in the heart. Question: How many valves are in the heart?
[A]: four


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


[Q]: Sentence: Brain and eyes are the organs work together to allow us to see. Question: What are the organs work together to allow us to see?
[A]:
brain and eyes