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: humans sometimes eat seeds

Output: humans sometimes eat?


Input: Consider Input: Fact: adaptations are used for survival


Output: Polar bears grew thick fur because?