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: a flower is a source of nectar
[EX A]: What is a source of nectar?

[EX Q]: Fact: grey clouds appear before precipitation
[EX A]: In the intermediary before rain falls, observers may note?

[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?