TASK DEFINITION: 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.
PROBLEM: Fact: rainfall is the amount of rain an area receives

SOLUTION: What will be more available in an area when rainfall increases?

PROBLEM: Fact: a solution is made of one substance dissolved in another substance

SOLUTION: Jerry put some salt into some tap water and stirred it up. What has Jerry made?

PROBLEM: Fact: Vitamin D heals bones

SOLUTION:
Which is the most accurate statement?