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: uneven heating of the Earth 's surface cause wind, Fact2: Hurricanes are made of wind., Question: What causes hurricanes on the Earth's surface? (A) uneven heating (B) volcanoes (C) hurricanes (D) Physical weathering (E) It gets heated up (F) Water expanding (G) even heat (H) Greenhouse gases
A:
A