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 animal eats only plants?  
 (A) Cat (B) Dog (C) Lion (D) Rabbit

Output: D


Input: Consider Input: When animals use energy, they produce  
 (A) nitrogen (B) iron sulfide (C) oxygen (D) carbon dioxide

Output: D


Input: Consider Input: Which of these describes a property of all matter?  
 (A) All matter gives off light. (B) All matter is attracted by magnets. (C) All matter is made of atoms. (D) All matter dissolves in water.


Output: C