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.

[Q]: Fact: as a source of light moves directly overhead of an object , the size of the shadow of that object will decrease
[A]: as a source of light moves directly overhead of an object , the size of the shadow of that object will do what?

[Q]: Fact: coal is a nonrenewable resource
[A]: Being a nonrenewable resource means coal?

[Q]: Fact: December is during the summer in the southern hemisphere
[A]:
It is hotter in December than other months. Where are you likely located?