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: humans discarding waste in an environment causes harm to that environment

SOLUTION: Which has a positive impact on the environment in the world?

PROBLEM: Fact: birds sometimes eat insects

SOLUTION:
Birds eat nuts, but sometimes they eat?