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.
--------
Question: Fact: the sun is the source of energy for physical cycles on Earth

Answer: The sun is responsible for?


Question: Fact: if food is not immediately used by the body for energy then that food will be stored for future use

Answer: if a person takes in more food than their body needs at the time, what happens?


Question: Fact: the amount of daylight is greatest in the summer

Answer:
The most daylight is two months after?