Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Ex Input:
Millibar is the unit used to measure air pressure.

Ex Output:
What is the unit used to measure air pressure?


Ex Input:
In science, something that always applies under the same conditions is called a scientific law.

Ex Output:
In science, what do you call something that always applies under the same conditions?


Ex Input:
The vast majority of fish reproduce sexually.

Ex Output:

How do the vast majority of fish reproduce?