instruction:
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.
question:
Sentence: Proteins are long chains of amino acids. Question: What are long chains of amino acids?
answer:
proteins


question:
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?
answer:
its food preference


question:
Sentence: The pleura that surrounds the lungs consists of two layers. Question: The pleura that surrounds the lungs consists of how many layers?
answer:

two