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 star is a large astronomical body that  
 (A) reflects light. (B) condenses light. (C) emits light. (D) absorbs light.

Output: C


Input: Consider Input: Which of the following forms of energy is released or absorbed in most chemical reactions?      
 (A) light energy (B) electrical energy (C) sound energy (D) heat energy

Output: D


Input: Consider Input: When electric current flows through the metal filament of a light bulb, electrical energy is converted to  
 (A) heat energy only. (B) heat and light energy. (C) light and motion energy. (D) light energy only.


Output: B