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

[EX Q]: ovaries are used in reproduction
[EX A]: What are used in reproduction?

[EX Q]: something that can be panoramic is used for recording pictures
[EX A]: What can be used for recording pictures?

[EX Q]: Cooling things is a way to keep perishable foods.
[EX A]:
What is a way to keep perishable foods?