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

[EX Q]: a crane uses pulleys
[EX A]: What does a crane use?

[EX Q]: Algae play significant roles as producers in water areas.
[EX A]: Algae play significant roles as producers in what area?

[EX Q]: keratin protects fish from sharks and parasites and reduce friction with the water
[EX A]:
What protects fish from sharks and parasites?