You will be given a definition of a task first, then some input of the task.
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: wind causes erosion, Fact2: Soil Erosion Soil erosion is a natural process., Question: wind causes what kind of process in the soil (A) cycles (B) friction (C) kinetic (D) heat (E) unnatural (F) volcanic (G) bacterial (H) natural
Output:
H