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: Test wells are drilled to monitor groundwater pollution. Question: What are drilled to monitor groundwater pollution?
[A]: test wells


[Q]: Sentence: Its food preference is a characteristic of a dog that is most likely a result of its environment. Question: Which is a characteristic of a dog that is most likely a result of its environment?
[A]: its food preference


[Q]: Sentence: There are three chambers in a reptiles heart. Question: How many chambers are in a reptiles heart?
[A]:
three