You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

Input: Consider Input: At what time on a sunny day will the shadow of the school's flagpole be the shortest?  
 (A) sunrise (B) noon (C) mid-afternoon (D) sunset

Output: B


Input: Consider Input: Jeannie put her soccer ball on the ground on the side of a hill. What force acted on the soccer ball to make it roll down the hill?  
 (A) gravity (B) electricity (C) friction (D) magnetism

Output: A


Input: Consider Input: In living organisms, the level of organization from least complex to most complex is  
 (A) cell, tissue, organ, organism (B) cell, organ, tissue, organism (C) tissue, cell, organ, organism (D) tissue, organ, cell, organism


Output: A