Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.

Example Input: Fact: treating water is used to remove harmful substances before drinking
Example Output: The water treatment plant boiled all the water that came to them for what reason?

Example Input: Fact: batteries convert chemical energy to electrical energy
Example Output: Duracell's convert chemicals to?

Example Input: Fact: a plant 's roots slowly break down rocks as the roots grow
Example Output:
What is the most likely cause of split rocks on a mountain slope?