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: plasma is formed by electrons separating from atoms in stars, Fact2: Plasma exists inside stars and in interstellar gases., Question: What is formed by electrons separating from interstellar gases? (A) an object (B) Energy. (C) proteins (D) led lights (E) air (F) light (G) plasma (H) dust

Ex Output:
G


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: Precipitation falls on the windward side of the mountain range., Fact2: Moist air is forced up the mountains bringing both cloud and precipitation to the windward side., Question: Where does moist air fall on a mountain? (A) bottom (B) rainfall (C) Under 32 degrees (D) during the day (E) windward side (F) top (G) adding heat (H) ridge

Ex Output:

E