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.

Input: Consider Input: Fact: as mileage per galon of gasoline increases , the amount of gasoline used will decrease

Output: when fuel efficiency increases, gasoline use in cars will?


Input: Consider Input: Fact: rest has a positive impact on a health

Output: Which habit is healthiest for humans?


Input: Consider Input: Fact: humans building homes in an ecosystem causes that environment to change


Output: What is an example of humans building houses in a ecosystem and causing change in the environment as a result?