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: Which material is most easily recycled at school?  
 (A) plastic wrap (B) notebook paper (C) ice cream sticks (D) rubber erasers

Output: B


Input: Consider Input: The Sun is classified as  
 (A) an organism (B) a decomposer (C) a star (D) a planet

Output: C


Input: Consider Input: What would a warm air mass over the ocean most likely cause?  
 (A) earthquake (B) snowfall (C) tsunami (D) rainfall


Output: D