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.

Example Input: Question: Which of these is warm-blooded? Answer: a vulture.
Example Output: a bird is warm-blooded

Example Input: Question: A person wants to conserve toothpaste so they will? Answer: use it stingily.
Example Output: An example of conservation is avoiding waste

Example Input: Question: If a rub two rocks together after awhile they will start to? Answer: Get smooth.
Example Output:
contact between rocks over long periods of time causes rocks to smooth