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: The number of particles of a substance in a given volume is known as the concentration. Question: The number of particles of a substance in a given volume is known as?
[A]: concentration


[Q]: Sentence: Water, air, and milk list includes only examples of matter that can take the shape of a container. Question: Which list includes only examples of matter that can take the shape of a container?
[A]: water, air, and milk


[Q]: Sentence: Birds pair up with the same bird in mating season. Question: What do birds do in mating season?
[A]:
pair up with the same bird