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

Output: C


Input: Consider Input: Which is a process that occurs during photosynthesis?  
 (A) Plants take in oxygen and release sugar. (B) Plants take in sugar and release minerals. (C) Plants take in minerals and release carbon dioxide. (D) Plants take in carbon dioxide and release oxygen.

Output: D


Input: Consider Input: Which process is most effective for separating sodium chloride from a saltwater solution?  
 (A) filtration (B) evaporation (C) magnetic separation (D) chemical separation


Output: B