Detailed Instructions: 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").
Q: Fact1: a light bulb is used for seeing in the dark, Fact2: Humans are unable to see clearly in the dark., Question: What helps humans see? (A) layers of fat (B) electricity (C) food (D) focusing a lens (E) shadows (F) dolphins (G) Light bulbs (H) pets
A:
G