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

Input: Consider Input: Lizards keep their eggs in rotting trees.

Output: What do Lizards keep their eggs in?


Input: Consider Input: braking on bald tires can cause wet weather accidents.

Output: What can cause wet weather accidents?


Input: Consider Input: A possible threat to existence itself could be bioterrorism.


Output: What is a possible threat to existence?