You will be given a definition of a task first, then some input of the task.
In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: an image in a mirror is formed by reflecting light, Fact2: Water is essentially a perfect mirror, reflecting colors almost unchanged., Question: What forms an image in water? (A) dolphins (B) tiny polyps (C) dark matter (D) an object (E) reflecting light (F) individual molecules (G) holograms (H) jungles of the sea
Output:
E