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: Hydrocarbons compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization.
Example Output: What compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization?

Example Input: Ionic compounds best conduct electricity in a liquid state.
Example Output:
In what state do ionic compounds best conduct electricity?