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:
When the acid spilled on the plant, the plant began to (A) smoke. (B) sing (C) flower (D) grow

Ex Output:
A


Ex Input:
What would thrive if Eagles died out (A) air (B) hamsters (C) emotions (D) magic

Ex Output:

B