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:
In order to conserve energy and eat less through winter, what kind of animal or insect hibernates? (A) Chairs (B) Birds (C) Humans (D) Bees

Ex Output:
D


Ex Input:
speed is a measure of how fast all these move but (A) a person waiting (B) a fish swimming (C) a dog running (D) a bird flying

Ex Output:
A


Ex Input:
A person wanting to protect humans from electrocution through wire contact would wrap the wire in (A) a tin can barrier (B) a metal beam with steel (C) a copper rope with barbs (D) a log filled with sawdust

Ex Output:

D