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: Dead organisms are the source of what for decomposers? (A) nutriment (B) pride (C) oceans (D) people

Output: A


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

Output: B


Input: Consider Input: Acid rain could effect (A) an indoor pizza (B) an indoor TV (C) inside the house (D) a car's color


Output: D