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: Why animal may use a rock as shelter (A) Centipede (B) Dolphin (C) Seagull (D) Dog

Output: A


Input: Consider Input: In the 60's people watched on TV while for the first time people walked on (A) a high rooftop in a major city (B) a satellite without much air in our solar system (C) the edge of a cliff in the mountains (D) a beach in Brazil

Output: B


Input: Consider Input: which of these scenarios would result in the ugliest TV screen? (A) a bowl of quartz is emptied on it (B) a handkerchief drops on it (C) a bowl of cotton is emptied on it (D) a silk tie falls on it


Output: A