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:
This animal evolved to reproduce using protective containers instead of live little entities: (A) rhino (B) hamster (C) platypus (D) mongoose

Ex Output:
C


Ex Input:
A person yells inside a garage. Their voice echoes and they hear (A) a bird chirping away (B) a dog barking loudly (C) a car engine rev (D) a shout repeating softer

Ex Output:
D


Ex Input:
running turns carbohydrates into (A) fat (B) sweat (C) motion and heat (D) protein

Ex Output:

C