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: exercise has a positive impact on a human 's health

Output: Who would be healthier?


Input: Consider Input: Fact: summer is when a hemisphere is tilted towards the sun

Output: Summer is the season where?


Input: Consider Input: Fact: oil is a source of energy


Output: Dinosaur carcasses are a form of?