Fact 1: An image in a mirror is formed by reflecting light. Fact 2: Water is essentially a perfect mirror, reflecting colors almost unchanged. Given the two facts above, what forms an image in water?

OPT:
I. dolphins.
II. tiny polyps.
III. dark matter.
IV. an object.
V. reflecting light.
VI. individual molecules.
VII. holograms.
VIII. jungles of the sea.
Answer:
V.