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").

Ex 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

Ex Output:
G


Ex Input:
Fact1: Behaviors that improve fitness increase through natural selection., Fact2: Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources., Question: The evolution of animal genetic resources can be impacted by: (A) extinction (B) Mars (C) competition (D) Darwin (E) agriculture (F) behavior (G) environment (H) Galapagos Islands

Ex Output:
F


Ex Input:
Fact1: a valley is formed by a river flowing, Fact2: Rivers cause erosion by transporting weathered rock and soil downstream., Question: What are created through erosion? (A) kalenchoes (B) Roads (C) Valleys (D) Mountains (E) Volcanoes (F) Stalactites (G) flooding (H) loose soil

Ex Output:

C