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: Fertilization takes place inside the female organism., Fact2: Each eyed egg is a fertile egg., Question: What do female organisms produce? (A) honey (B) electricity (C) apples (D) nectar (E) plants (F) eggs (G) anger (H) adults
Example Output: F

Example Input: Fact1: predicting weather requires studying weater, Fact2: Meteorologists try to predict the weather., Question: What do meteorologists study? (A) Meatballs (B) amount of heat (C) Meteors (D) The weather. (E) related organisms (F) Music (G) air masses (H) Seisometers
Example Output: D

Example Input: Fact1: Echinoderms lack a centralized nervous system., Fact2: From animal experiments, it seems to be a central nervous system toxin., Question: Echinoderms are resistant to some: (A) starfish (B) enzymes (C) Toxicity (D) pesticide (E) parasites (F) toxins (G) boats (H) chemicals
Example Output:
F