In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Ex Input:
Nerves all have (A) microscopic parts (B) short arms (C) viable organs (D) liver transplants

Ex Output:
A

Ex Input:
Despite what some think, instead around themselves, our planet spins around (A) pluto (B) the moon (C) the milky way (D) the sun

Ex Output:
D

Ex Input:
What is the proper ratio of weeks to the Earth's revolution around the Sun? (A) 365 :: 1 (B) 52 :: 1 (C) 33 :: 1 (D) 1 :: 1

Ex Output:
B