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.

Ex Input:
Question: A shoe seems gold and green at first, then at second glance looks blue and silver. This could be due to? Answer: refractions.

Ex Output:
refraction causes something to look different


Ex Input:
Question: A way in which seeds are frequently spread is? Answer: voles consuming oak pips.

Ex Output:
An example of seed dispersal is animals eating seeds


Ex Input:
Question: Which would be the worst to wear out in a thunderstorm? Answer: a medallion made of ferrous metals.

Ex Output:

ferrous metals contain iron