instruction:
In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.
question:
Question: Polar bears grew thick fur because? Answer: it helps them survive in frigid places.
answer:
adaptations are used for survival

question:
Question: Desalinating water from the ocean does what to nearby fish? Answer: manipulates habitat.
answer:
fish lay eggs

question:
Question: The water treatment plant boiled all the water that came to them for what reason? Answer: to eliminate substances.
answer:
treating water is used to remove harmful substances before drinking