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: herbivores only eat plants

SOLUTION: herbivores do what with plants?

PROBLEM: Fact: adding salt to a solid decreases the freezing point of that solid

SOLUTION: Salt was at one time?

PROBLEM: Fact: pollution is when humans pollute the environment with pollutants

SOLUTION:
Pollution is?