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:
Quartz can very easily damage (A) smelted silica (B) granite (C) diamonds (D) steel

Ex Output:
A


Ex Input:
Why might wolves a new area where a lot of deer live? (A) The wolves eat the same things that the deer eat (B) They wanted to be friends with the deer. (C) The wolves stay near the deer for protection (D) The wolves use the deer for nutrition

Ex Output:
D


Ex Input:
What is a learned behavior? (A) a child eating (B) a child's sight (C) a child's hearing (D) a child swearing

Ex Output:

D