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.
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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: Silicon and germanium react with nitrogen at high temperature to form nitrides. Question: Silicon and germanium react with nitrogen at high temperature to form what?

Answer: nitrides

Question: Sentence: The main function of the circulatory system is to transport materials. Question: What is the main function of the circulatory system?

Answer:
transport materials