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.

Example Input: Fact: when light enters the eye through the pupil , that light falls on the retina
Example Output: A retina may be illuminated by?

Example Input: Fact: pushing on the pedals of a bike cause that bike to move
Example Output: Pushing on a pedal is an example of?

Example Input: Fact: electrocution causes harm to an organism
Example Output:
F field mouse touched a special type of fence made for cattle and was killed instantly. The fence had a source of power. What happened?