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: friction causes the temperature of an object to increase, Fact2: When a fire breaks out in a home, the temperature in the room increases., Question: Friction can cause fires to break out in a home due to what? (A) heating liquids (B) wind speed (C) temperature (D) centripetal force (E) wire placement (F) friction (G) cigarettes (H) heat energy
Example Output: C

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: cooking food requires adding heat energy, Fact2: Heat is essentially the source of energy., Question: Doing what to food requires adding the source of energy? (A) burning (B) burying (C) degrading (D) hydration (E) boiling (F) Light (G) sharing (H) cooking
Example Output:
H