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:
In an arid location, any various lifeforms will have to (A) work harder for nutriment (B) find food quite easily (C) find fast, easy nutriment (D) always eat their fill

Ex Output:
A


Ex Input:
Living underground can be used for hiding from what? (A) food (B) hunters (C) dirt (D) water

Ex Output:
B


Ex Input:
the closest star to our planet delivers solar energy to the planet (A) this is truth (B) all of these (C) unknown (D) maybe

Ex Output:

A