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: In order to conserve energy and eat less through winter, what kind of animal or insect hibernates? (A) Chairs (B) Birds (C) Humans (D) Bees

Output: D


Input: Consider Input: What uses eyes to see by sensing light? (A) trees (B) algae (C) worms (D) elephants

Output: D


Input: Consider Input: A baby bear has golden fur which is medium length. The reason for this is most likely (A) gene contributors shared that characteristic (B) its parents are polar bears (C) mother bear has blue eyes (D) parents all have black fur


Output: A