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: In May I have a black cat what might I be unable to wear? (A) dark purple (B) yellow (C) dark grey (D) black
Example Output: B

Example Input: If a wolf wants to grow big and strong, what must he have? (A) a car to drive (B) a house to live in (C) a bus to sell (D) good eyes to see with
Example Output: D

Example Input: Someone in a room without any lights on, but that has mirrors in it, can still have light in that room if (A) lights are turned on in another house (B) a joined room is dark (C) the room is completely dark (D) a joined room is lit
Example Output:
D