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: the increase of something required by an organism has a positive impact on that organism 's survival

Ex Output:
Why are there more deer when there's a lot of rain?


Ex Input:
Fact: a revolution of the moon around the Earth takes 1 month

Ex Output:
A new moon can be observed every?


Ex Input:
Fact: a radio is used for communication

Ex Output:

Which can be used to pass information from one person to another?