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: Birds sometimes eat what? (A) grass (B) underground crawlers (C) insecticide (D) trees

Output: B


Input: Consider Input: If a field is planted with something that will be sold later in the refrigerated section, then that something was intended to be consumed by (A) elephants (B) toddlers (C) bears (D) bees


Output: B