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.

Ex Input:
Fact: solar energy is an inexhaustible resource

Ex Output:
A person needs to make a stove run with only energy that will run forever, so they make a?


Ex Input:
Fact: solar energy is a renewable resource

Ex Output:
Which type of energy is the most environmentally friendly?


Ex Input:
Fact: moving changes position

Ex Output:

If a thing is up and then is down then it is?