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

[EX Q]: research are often done where chemicals are prepared
[EX A]: What type of chemicals are often used in research?

[EX Q]: jaws make sharks excellent attackers.
[EX A]: What makes sharks excellent attackers?

[EX Q]: blending with colors and patterns is used by prey to avoid predators
[EX A]:
Who uses colors and patterns to avoid predators?