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: Animals can communicate with sounds, chemicals, or visual cues., Fact2: Unlike animal communication, properly human communication is abstract and linguistic in nature., Question: Which of the following do humans not use to communicate? (A) chemicals. (B) limb amputation (C) emissions (D) sweating (E) smoking pipes (F) dry conditions (G) visible energy (H) heat or cold

Ex Output:
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: Mammals can also generate little bursts of heat by shivering., Fact2: Shivering causes muscle contractions to warm the body., Question: Mammals can also generate little bursts of heat by (A) muscle contractions (B) circulation (C) exhalation (D) Temperature changing (E) Movement of an air mass (F) flow of electrons (G) vibrations (H) with their fur

Ex Output:
A