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: sunlight and rain can cause a rainbow

SOLUTION: A rainbow is caused by rain and what?

PROBLEM: Fact: snow falls during the winter in the arctic environment

SOLUTION: if white cold items drop from the sky, what might these be?

PROBLEM: Fact: renewable resources can be used over again

SOLUTION:
Renewable resources?