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

[Q]: Stopping the car quickly can cause skidding.
[A]: What can stop the car quickly cause?


[Q]: Weather refers to the conditions of the Earth's oxygen from day to day.
[A]: What refers to the conditions of the Earth's oxygen from day to day?


[Q]: a broken prophylactic should be discarded immediately
[A]:
What should be discarded immediately?