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").

Input: Consider Input: How can it be shown that an electrical conductor is a vehicle for the flow of electricity? (A) holding an electrified fence can kill you (B) electricity is unable to conduct well through rubber shoe soles (C) sticking a fork into an electrical outlet is safe if it is plastic (D) electricity is a volatile thing

Output: A


Input: Consider Input: Flora requires chlorophyll to (A) moonlight (B) undergo natural development (C) starlight (D) dairy

Output: B


Input: Consider Input: Who would refrain from eating a salad? (A) horses (B) cows (C) wolves (D) rabbits


Output: C