Given a statement, generate a question such that the answer is contained in that statement.

Example Input: eagles move their wings using large back muscles
Example Output: Who moves their wings using large back muscles?

Example Input: Triceps tighten causing a person's elbow to straighten.
Example Output: What tightens causing a person's elbow to straighten?

Example Input: The intentional release or spread of agents of disease is always an unlawful act.
Example Output:
What is always an unlawful act?