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: Evolution is a change in the characteristics of living things over time., Fact2: Evolution relies on random chance acts to cause mutations., Question: What causes changes in characteristics of living things over time? (A) mutations (B) science (C) parents (D) environment (E) light energy (F) news (G) alleles (H) animals
Example Output: A

Example Input: Fact1: Glucose is used for energy by the cells of most organisms., Fact2: Glucose metabolism relates to how cells use or store glucose., Question: what do cells do with glucose? (A) live (B) grow (C) reacts (D) energy. (E) survive (F) store (G) sleep (H) move
Example Output: F

Example Input: Fact1: Marine biomes are found in the salt water of the ocean., Fact2: And to the east is the Atlantic Ocean., Question: where are marine biomes found? (A) scarce resources (B) Sediment (C) the Atlantic (D) solid, liquid, gas (E) the moon (F) our planet (G) tap water (H) precipitation
Example Output:
C