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: 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: Reproduction is the process by which organisms give rise to offspring., Fact2: Then, the lowest energy offspring are used as parents for the next generation., Question: The next generation of an organism rises via: (A) Plants growth (B) spontaneous generation (C) reproduction (D) The Sun (E) revolution (F) sun's heat (G) heat energy (H) unions
Example Output: C

Example Input: Fact1: Most ecosystems get energy from sunlight., Fact2: Sunlight is turned into energy by plants., Question: Most ecosystems need what? (A) invasive species (B) water (C) insects (D) food (E) tornadoes (F) recycling (G) plants (H) scientists
Example Output:
G