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: soil erosion means soil loss through wind, Fact2: Erosion is a substantial contributor to deterioration of soil quality., Question: What can lead to a deteroriation in soil quality? (A) rain (B) spring (C) heat (D) fungi (E) coal (F) H20 (G) sugar (H) Wind
H