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: tectonic plates being pushed together causes earthquakes, Fact2: Plate Tectonics Movement of earth's surface reflects large scale convection of upper mantle., Question: What could happen because of movement in the upper mantle? (A) Earthquakes (B) Water expanding (C) Floods (D) Wildfires (E) erosion (F) Tornados (G) heating liquids (H) Movement
Example Output: A

Example Input: Fact1: Viruses cause many human diseases., Fact2: Examples include influenza, rabies, HIV, and Herpes viruses., Question: What causes human disease? (A) HPV (B) UV (C) minerals (D) Tamiflu (E) mold (F) HIV (G) human growth (H) CFCs
Example Output: F

Example Input: Fact1: plant reproduction requires pollination, Fact2: Bees are necessary for pollination., Question: Plant reproduction requires what? (A) genes (B) RNA (C) seeds (D) energy (E) ice (F) bees (G) cookies (H) rice
Example Output:
F