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

[EX Q]: painful urination can be treated with drugs prescribed by a doctor
[EX A]: What can painful urination be treated with?

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

[EX Q]: H20 is essential for all animals on earth.
[EX A]:
What is essential for all animals on earth?