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").

Example Input: Blind people are unable to see what the shapes of things are, but they can still sense it thanks contacting it via their (A) flying (B) singing (C) smiling (D) hands
Example Output: D

Example Input: An animal can use what to help find a partner (A) social networking and dating apps (B) beautiful vibrant tail plumage (C) asking animal friends for advice (D) meet ups and social gatherings
Example Output: B

Example Input: Which is likely to be in a zoo exhibit? (A) an osprey (B) bacteria (C) a human (D) a dinosaur
Example Output:
A