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:
When the old man was much younger, he still had (A) brown eyes (B) baldness (C) gray hair (D) wrinkled skin

Ex Output:
A


Ex Input:
Asking a blind person to look at something is rude because they are (A) unable to speak (B) unable to eat (C) unable to see (D) unable to live

Ex Output:
C


Ex Input:
A bunch of seals are about to deliver and need to make sure they have returned to home for (A) positive feedback (B) silly nonsense (C) magical purposes (D) reproductive behavior

Ex Output:

D