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: hunting requires seeing prey
[EX A]: If a wolf wants to grow big and strong, what must he have?

[EX Q]: Fact: Matter in the gas phase has variable shape
[EX A]: A solid has a fixed shape. When liquid is boiled and turns into gas, its shape is?

[EX Q]: Fact: An example of evaporation is a body of water drying up by absorbing heat energy
[EX A]:
An example of evaporation is a body of water drying up by?