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: Viruses are killed by objects used in a (A) backyard (B) bathroom (C) kitchen (D) living room
Example Output: C

Example Input: What are some of the risks of using fertilizer? (A) Making potatoes (B) Helping food grow (C) Fertilizing the crops (D) Damaging the planet
Example Output: D

Example Input: A caterpillar is a part one of the mundane four stage life cycle of (A) a machine (B) a company (C) an engine (D) a colorful invertebrate
Example Output:
D