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: astronauts require preserved food for extended flights, Fact2: An astronaut is a scientist who is a space explorer., Question: Space explorers require preserved foods for (A) ground training (B) nutrients (C) Dehydration (D) survival (E) long flights (F) short flights (G) Special disposal (H) day trips
Example Output: E

Example Input: Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Though most trout are freshwater fish, some live in marine waters., Question: What do some mollusks live near? (A) gills (B) rivers (C) desert (D) roads (E) fungi (F) trout (G) clouds (H) water
Example Output: F

Example Input: Fact1: Precipitation increases moisture., Fact2: Moisture is a necessary ingredient for the production of clouds and precipitation., Question: what are needed for precipitation? (A) deposits (B) clouds (C) fluid (D) trees (E) tornadoes (F) liquids (G) lamphreys (H) oxidizers
Example Output:
B