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: if two animals have the same food source then those two animals compete for food
Example Output: Which are in opposition for similar chow?

Example Input: Fact: the sun is a source of light called sunlight
Example Output: Sunlight is a source of light from what?

Example Input: Fact: evaporation causes amount of water to decrease
Example Output:
What phenomenon is best described as evaporation?