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: nature is the source of natural resources
[EX A]: Natural resources come from nature, so if humans are reckless when working with nature, the amount of resources will?

[EX Q]: Fact: if a liquid disappears then that liquid probably evaporated
[EX A]: If a liquid disappears then what probably happened to it?

[EX Q]: Fact: as ability to transport food increases around the world , the available types of food in distant locations will increase
[EX A]:
Being able to enjoy eating Mideastern dates in a small town in the USA is possible because?