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

Input: Consider Input: Absorption is the process by which the substances you consume are taken up by the blood.

Output: What is the process by which the substances you consume are taken up by the blood?

Input: Consider Input: If an air mass forms over an ocean it is called a maritime air mass.

Output: If an air mass forms over an ocean it is called what type of air mass?

Input: Consider Input: Star, solar system, galaxy, universe of the following correctly lists the structures in space from smallest to largest.
Output: Which of the following correctly lists the structures in space from smallest to largest?