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: When the old man was much younger, he still had (A) brown eyes (B) baldness (C) gray hair (D) wrinkled skin

Output: A


Input: Consider Input: A shoe seems gold and green at first, then at second glance looks blue and silver. This could be due to (A) interrogation (B) comas (C) refractions (D) cellulite

Output: C


Input: Consider Input: A person owns thousands of acres of land and would like to do something great for the environment, so he (A) limits human access (B) limits animal access (C) builds a mall (D) starts a riot


Output: A