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

[EX Q]: cruising may require a compass.
[EX A]: What type of compass is required for cruising?

[EX Q]: Excellent predators can rip and tear flesh.
[EX A]: What can rip and tear flesh?

[EX Q]: Water is essential for all known living things in the universe.
[EX A]:
What is essential for all known living things in the universe?