instruction:
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: refraction causes something to look different
answer:
A shoe seems gold and green at first, then at second glance looks blue and silver. This could be due to?


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


question:
Fact: raccoons eat garbage
answer:

A raccoon be most likely to live near which of the following?