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: The bear in the wild needs to find other animals to feast. (A) they are killers (B) they only eat (C) they never kill (D) they are docile
Example Output: A

Example Input: Why would a lightbulb be dark? (A) the bulb needs to be charged (B) the room is too bright (C) the circuit is incomplete (D) it ran out of electricity
Example Output: C

Example Input: which of these could be measured in mL? (A) circumference of a head (B) the contents of a wine jar (C) the length of a pen (D) the width of a window
Example Output:
B