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").

Example Input: Fact1: telephones are used for communication by two people by transmitting sound, Fact2: And the sound of their voice becomes important as well., Question: What is transmitted with telephones? (A) voice (B) copper (C) waves (D) smell (E) cancer (F) energy (G) HIV (H) power
Example Output: A

Example Input: Fact1: an egg requires warmth to survive, Fact2: Inside the egg, the developing rattlesnake is nourished by the yolk of the egg., Question: a developing rattlesnake requires what to survive (A) warmth (B) companionship (C) nutrients (D) shade (E) desert (F) food (G) energy (H) air
Example Output: A

Example Input: Fact1: Mollusks have a circulatory system with one or two hearts that pump blood., Fact2: Mollusks have a simple heart, which pumps the blood throughout the body., Question: what kind of heart do mollusks have? (A) organ (B) epidermal (C) fossils (D) ligt (E) three (F) warmth (G) warm (H) simple
Example Output:
H