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: uneven heating of the Earth 's surface cause wind, Fact2: Wind can cause damage to buildings and bring down power lines., Question: What can uneven heating of the earth's surface cause? (A) Wealth creation (B) Damage to buildings (C) Damage to moon (D) forest is destroyed (E) Greenhouse gases (F) Plant growth is reduced (G) Damage to sun (H) Physical weathering
B