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: Ants communicate with chemicals called pheromones., Fact2: Ants use receptors on their antennae to follow recruitment pheromone trails., Question: What do ants use to communicate? (A) nerves (B) heat energy (C) sound (D) binary code (E) light energy (F) Antennae. (G) megaphones (H) hand signals

Ex Output:
F


Ex 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

Ex Output:
F


Ex Input:
Fact1: the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side, Fact2: When it is tilted away from the sun, it is winter., Question: What do you experience when your side of the earth is away from the sun (A) haze (B) Summer (C) Heat (D) cold (E) Winter (F) climate (G) sweating (H) Rain

Ex Output:

E