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 activity is a part of the wheel of organic life? (A) having sex (B) black holes (C) nuclear meltdowns (D) supernova

Output: A


Input: Consider Input: Which would create the most pollution (A) animals (B) rivers (C) smoke stacks (D) toxicity

Output: C


Input: Consider Input: sunlight produces (A) darkness (B) wind (C) solar radiation (D) snow


Output: C