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: If you missed the rising moon today you will have to wait till when to see it again? Answer: 24 hours.
the moon rising occurs once per day

Question: Which of the following is likely to cause the most erosion? Answer: a mighty river.
water causes the most soil and rock erosion

Question: Two felled trees, split in twain, with the same number of rings, means they're the same? Answer: age.

a tree growing a tree-growth ring occurs once per year