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").

Ex Input:
Fact1: soil erosion means soil loss through wind, Fact2: Soil erosion is one of the leading causes of water pollution in the United States., Question: What is one consequence of soil loss? (A) Decrease bodily water (B) humans disturb it (C) drying out (D) flooding (E) contamination (F) deforestation (G) chemical changes (H) Water pollution

Ex Output:
H

Ex Input:
Fact1: Mollusks have a circulatory system with one or two hearts that pump blood., Fact2: An abalone is a shellfish or mollusk., Question: What has a circulatory system with one or two hearts that pump blood? (A) a fish (B) sharks (C) abalone (D) elephants (E) humans (F) crocodiles (G) giraffes (H) fur seals

Ex Output:
C

Ex Input:
Fact1: knowledge of the stars can be used to navigate, Fact2: Astronomy is the study of the planets, stars, and universe., Question: Astronomy can be used for what? (A) Communication (B) safe operation (C) vision (D) homeostasis (E) gardening (F) cooking (G) navigation (H) architecture

Ex Output:
G