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

[Q]: teenagers experience significant mental, emotional, and social changes
[A]: What types of changes do teenagers experience?


[Q]: significant physical, emotion, and social changes can be a trying time
[A]: What types of changes can be a difficult time?


[Q]: talons are used to catch mice by some predators
[A]:
What are used to catch mice by some predators?