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 of the following best describes a role of mushrooms in ecosystems?  
 (A) capturing energy from sunlight (B) consuming living plant material (C) taking energy from animal hosts (D) breaking down dead plant material

Output: D


Input: Consider Input: Which two things interact most in the water cycle?  
 (A) oceans and the Moon (B) oceans and the Sun (C) lakes and the Moon (D) lakes and the Sun

Output: B


Input: Consider Input: Some types of trees are able to survive the heat of a forest fire. Which of the following characteristics would best help a tree survive a fire?  
 (A) large leaves (B) shallow roots (C) thick bark (D) thin trunks


Output: C