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: electric devices require electrical energy to function

Output: A refrigerator?


Input: Consider Input: Fact: most predators live near the same environment as their prey

Output: Lions and zebras live?


Input: Consider Input: Fact: sonar is used to find the location of an object


Output: Sonar is used to find an objects what?