Q: 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: eyes are used for seeing by animals by sensing light, Fact2: Lastly Fire, or light, is perceived through the sense of vision., Question: eyes are used for seeing by animals by sense of what? (A) energy (B) touch (C) photons (D) vision (E) smell (F) power (G) the sun (H) sound
A:
D