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

Example Input: Rod is the general shape of centrioles.
Example Output: What is the general shape of centrioles?

Example Input: The metallic bond is responsible for the properties of metals.
Example Output: What is responsible for the properties of metals?

Example Input: Opposite charges attract one another.
Example Output:
What do opposite charges do to one another?