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: What change would occur if Earth's rate of rotation significantly increased?  
 (A) The year would be shorter. (B) The year would be longer. (C) The day would be shorter. (D) The day would be longer.

Output: C


Input: Consider Input: Protein is used by the human body to  
 (A) build strong bones. (B) absorb vitamins. (C) repair cells. (D) provide fiber.


Output: C