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").

Input: Consider Input: A man will most likely be unable to see if he gets lost in (A) a dense forest (B) a long river (C) a desert (D) a mountain

Output: A

Input: Consider Input: What does a tuna have that causes it to swim faster than a seahorse? (A) Lower body temperature (B) Bigger scales (C) Bigger fins (D) Thicker caudal fin

Output: C

Input: Consider Input: If I want to avoid too much ultraviolet rays I can (A) wear a bikini (B) wear shorts (C) wear nothing (D) wear thick socks
Output: D