TASK DEFINITION: Given a statement, generate a question such that the answer is contained in that statement.
PROBLEM: A chain wrapped around a wheel is used for lifting blocks.

SOLUTION: What is a chain wrapped around a wheel used for?

PROBLEM: arthropods can spread disease and destroy crops

SOLUTION: What can spread disease and destroy crops?

PROBLEM: The intentional release of smallpox is considered bioterrorism.

SOLUTION:
What is the intentional release of smallpox considered?