TASK DEFINITION: Given a statement, generate a question such that the answer is contained in that statement.
PROBLEM: Rain downwind from a coal-fired power plant is likely to transform the color of litmus paper from blue to red.

SOLUTION: What color of litmus paper is likely to change from a coal-fired power plant to red?

PROBLEM: FM systems are used for entertainment

SOLUTION: What are used for entertainment?

PROBLEM: A soil sifter can be employed to separate out glass shards.

SOLUTION:
What can be used to separate glass shards?