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:
An example of seed dispersal is animals eating what? (A) dirt (B) hard shells (C) grass (D) animals

Ex Output:
B


Ex Input:
A battery converts chemical energy into (A) energy stored due to the relative positions of charged particles or electric fields (B) energy stored due to the bombardment of particles (C) energy stored between the cells of nonadjacent particles (D) energy that is broken down in particles

Ex Output:
A


Ex Input:
Flashlights require batteries (A) to make light bright rooms darker (B) to meet weight requirements (C) to be used as a weapon (D) to properly illuminate objects

Ex Output:

D