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: Most of the Shuttle foods are preserved by dehydration, which saves weight and storage space., Question: astronauts require what food for extended flights? (A) Echinoderm. (B) layers of fat (C) dehydrated (D) fresh (E) hand picked (F) nutrients (G) frozen (H) hydration
Example Output: C

Example Input: Fact1: measuring the hardness of minerals requires scratching those materials, Fact2: To figure out the hardness of a mineral, the Moh's scale of hardness is used., Question: the Moh's scale of hardness is used by doing what to the materials (A) heating (B) tool extensions (C) protection (D) classified (E) scratching (F) as a base (G) how they move (H) Cladistics
Example Output: E

Example Input: Fact1: Migration is a type of movement that changes population size., Fact2: Predatory animals migrate with the game animals., Question: When game animals move elsewhere, what else does? (A) relocation (B) prey animals (C) predatory animals (D) migratory birds (E) An object is seen (F) migrants (G) refract or absorb. (H) barks and snarls
Example Output:
C