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: an incandescent light bulb converts electricity into light by sending electricity through a filament, Fact2: Electrical energy is also energy., Question: What part of a light bulb has energy run through it, converting energy into light? (A) adding heat (B) sun's heat (C) cotton (D) heat energy (E) glass (F) light (G) filaments (H) broken light bulbs
Example Output: G

Example Input: Fact1: Most amphibians breathe with gills as larvae and with lungs as adults., Fact2: All frogs are amphibians., Question: What do frogs breathe with when they are adults? (A) skin (B) fins (C) lungs (D) oxygen (E) gills (F) air (G) Energy (H) Gases
Example Output: C

Example Input: Fact1: Migrants typically travel long distances., Fact2: Insectivorous birds are the largest group of migrants., Question: Insectivorous birds typically do what? (A) fly into the sun (B) travel small amounts (C) travel long distances (D) spread flower seeds (E) competing for resources (F) eat large animals (G) eat plants or other animal (H) produce offspring
Example Output:
C