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 the food chain process what has the role of producer? (A) eaters (B) flora (C) carnivore (D) consumers

Ex Output:
B

Ex Input:
Soil could be Earth's what? (A) dermis (B) Buddy (C) Magic (D) Tears

Ex Output:
A

Ex Input:
if a human-like entity was spotted breathing normally under water, it might have developed which of these to make that happen? (A) eyes for seeing things (B) wings for flying around (C) limbs for walking upright (D) special parts for underwater respiration

Ex Output:
D