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:
Why is it dangerous for an animal to be kept boxed up in an area without air circulation? (A) it will be confused (B) it might get too viscious (C) it will be scared (D) it might get overheated

Ex Output:
D


Ex Input:
A person wants to mine something that will attract metals. The person decides to search out some (A) ceramic stones (B) iron pebbles (C) glass beads (D) plastic beads

Ex Output:
B


Ex Input:
If a head is exceptionally round (A) that is an unusual feature (B) most heads are round (C) a parent probably had a round head (D) there is fluid on the brain

Ex Output:

C