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: A movie studio will use two methods of communication, television and the Internet, to advertise a new movie. Which of the following must both methods of communication use in order to show the advertisements to viewers around the world?  
 (A) systems to locate viewers (B) networks to transmit signals (C) printing to create the images (D) software to search for images

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: Frank needs to move a box by sliding it across the floor. Which two factors will most strongly affect how hard Frank needs to push the box?  
 (A) The density of the box material and the hardness of the floor (B) The thickness of the box material and the hardness of the floor (C) The total mass of the box and the friction between the box and the floor (D) The total height of the box and the distance between his hands and the floor


Output: C