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

Input: Consider Input: Cell -> tissue -> organ -> organ system sequence represents the correct levels of organization for multicellular organisms.

Output: Which sequence represents the correct levels of organization for multicellular organisms?

Input: Consider Input: Carbon atoms have six neutrons as well as six protons.

Output: Carbon atoms have six neutrons as well as how many protons?

Input: Consider Input: The sun is considered the center of the solar system.
Output: What is considered the center of the solar system?