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

Input: Consider Input: Atoms of metals are good conductors of electricity because they give up electrons.

Output: Why are atoms of metals good conductors of electricity?


Input: Consider Input: A collapsing nebula leads to nuclear fusion process.

Output: A collapsing nebula leads to what process?


Input: Consider Input: Fertility does the color of soil indicate.


Output: What does the color of soil indicate?