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: Which of the following relationships is true? Answer: Diamond can scratch Play-Doh, therefore diamond is harder.
answer:
if one mineral can scratch another mineral then that other mineral is softer than that one mineral


question:
Question: What requires sunlight to grow? Answer: rose bushes.
answer:
a plant requires sunlight to grow


question:
Question: A person wants to mine something that will attract metals. The person decides to search out some? Answer: iron pebbles.
answer:

iron is always magnetic