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: What could be used as an electrical conductor (A) A penny (B) Shoe laces (C) Wood (D) A button
Example Output: A

Example Input: An electric car causes (A) more CO2 emissions (B) equal CO2 emissions (C) electric emissions (D) less CO2 emmissions
Example Output: D

Example Input: Frilled sharks and angler fish live far beneath the surface of the ocean, which is why they are known as (A) Deep sea animals (B) fish (C) Long Sea Fish (D) Far Sea Animals
Example Output:
A