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.

[EX Q]: Fact: wind carries sand from one place to another place
[EX A]: 2000 years ago, this method would likely have brought sand from the coast to the desert?

[EX Q]: Fact: looking directly at an eclipse of the Sun causes harm to the eyes
[EX A]: When looking at an eclipse, an important thing to remember is?

[EX Q]: Fact: camouflage is used for hiding by animals against predators
[EX A]:
A toad would have better hiding places?