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: What displays the movement of electrons from the base atoms? (A) venus (B) mercury (C) plasma star (D) pluto

Output: C


Input: Consider Input: A plant needs to use the roots of itself to move essential things (A) to the dirt (B) to the sky (C) to the plasma (D) to the buds

Output: D


Input: Consider Input: Sprinklers during the summer is prohibited because of (A) documentation (B) vaporization (C) solicitation (D) rowdy neighbors


Output: B