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:
Skin can protect your (A) emotions (B) anger (C) feelings (D) squishy bits

Ex Output:
D


Ex Input:
the mantle is (A) a level of our planet (B) the planet closest to ours (C) a kind of rock found on Earth (D) the deepest part of our planet

Ex Output:
A


Ex Input:
You would use a seismometer if (A) A mysterious rumble off the coast of Japan (B) Someone farted in class (C) Kids were stomping on the floor (D) to track the buzz of a bee

Ex Output:

A