Instructions: 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").
Input: Fact1: erosion causes deposition, Fact2: Desertification implies soil erosion., Question: Desertification implies what? (A) contamination (B) dry conditions (C) permineralization (D) soil deposition (E) Decrease bodily water (F) humans disturb it (G) population movement (H) threatened
Output:
D