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.
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Question: Question: The mounds at the beach are made of? Answer: silica.

Answer: sand dunes are made of sand


Question: Question: Which type of energy is the most environmentally friendly? Answer: Sunlight.

Answer: solar energy is a renewable resource


Question: Question: Which of these is warm-blooded? Answer: a vulture.

Answer:
a bird is warm-blooded