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: volcanic ash in the atmosphere decreases the temperature by blocking the sun, Fact2: Most volcanic ash consists of fine, dusty particles., Question: Fine, dusty particles in the atmosphere decreases the temperature by blocking what? (A) the rain (B) the clouds (C) danger (D) visibility (E) wind (F) rainfall (G) the sun (H) the moon
A:
G