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

Example Input: Solid is characterized by molecules with minimal movement and strong forces between them.
Example Output: Which state of matter is characterized by molecules with minimal movement and strong forces between them?

Example Input: Fermat’s principle states that light will always take the path of the least amount of time.
Example Output: Fermat’s principle states that light will always take the path of least amount of?

Example Input: An ether is an organic compound in which two hydrocarbon groups are bonded to the same  oxygen atom.
Example Output:
An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of what?