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: Jaws and pharynx muscles are used to pump water over the gills. Question: What muscles are used to pump water over the gills?

Answer: jaws and pharynx


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: A(n) anion is formed when an element gains one or more electrons. Question: What is formed when an element gains one or more electrons?

Answer:
anion