Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.

Example Input: Fact: camouflage is a kind of protection against consumers
Example Output: To protect themselves from consumers, which action would an animal most likely take?

Example Input: Fact: looking directly at an eclipse of the Sun causes harm to the eyes
Example Output: When looking at an eclipse, an important thing to remember is?

Example Input: Fact: refraction causes something to look different
Example Output:
A shoe seems gold and green at first, then at second glance looks blue and silver. This could be due to?