Definition: 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").
Input: Fact1: eyes are used for seeing by animals by sensing light, Fact2: Bobcats eat a variety of animals, including mice and voles, squirrels, rabbits and deer., Question: What use their eyes to sense light so they can see? (A) blind fish (B) tigers (C) humans (D) cameras (E) voles (F) pigeons (G) cars (H) bears
Output:
E