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: Greenhouses are great for plants like (A) Pizza (B) Lollipops (C) Candles (D) French beans
Example Output: D

Example Input: Which makes a sound when you interact with it? (A) something invented by Pasteur (B) something invented by van Leeuwenhoek (C) something invented by Sax (D) something invented by Galileo
Example Output: C

Example Input: The moon looks different in different parts of (A) April (B) today (C) this week (D) 2018
Example Output:
A