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

Input: Consider Input: If rabbits live underground, they can keep safe from coyotes.

Output: What can rabbits keep safe from?

Input: Consider Input: Some crocodiles can go several weeks between meals.

Output: How long can some crocodiles go between meals?

Input: Consider Input: Predators use sharp recurved nails to catch prey.
Output: What do predators use to catch prey?