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

Input: Consider Input: Light is scattered from molecules in our atmosphere.

Output: Light is scattered from what in our atmosphere?


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

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


Input: Consider Input: Photoemissive are materials that eject electrons when illuminated with light called.


Output: What are materials that eject electrons when illuminated with light called?