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: wind and rain cause erosion

SOLUTION: The face of the sphinx has changed from?

PROBLEM: Fact: condensation is a stage in the water cycle process

SOLUTION: Fogged up glass on a store window is a stage in the?

PROBLEM: Fact: insects can have a negative impact on crops

SOLUTION:
Locusts historically always affect crops?