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 is it called when a cell converts oxygen and carbohydrates into carbon dioxide, water, and energy? (A) adaptation (B) breathing (C) food transformation (D) catabolic reactions

Output: D


Input: Consider Input: Which of the following is correct? (A) The earth's strong gravitational pull causes a waxing gibbous to form (B) astrology causes a waxing gibbous to form (C) star maps cause a waxing gibbous to form (D) government satellites cause a waxing gibbous to form

Output: A


Input: Consider Input: During what period of the Earth cycle would you see someone having a picnic outside? (A) Day (B) Night (C) Extinction (D) Ice Age


Output: A