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 could be a possible way to prevent wildlife species from becoming endangered?  
 (A) drinking less water (B) establishing more habitats (C) cutting down more forests (D) stopping underground coal mining

Output: B


Input: Consider Input: When microorganisms deplete the oxygen in soil through respiration, the soil becomes  
 (A) humus. (B) anaerobic. (C) compost. (D) aerobic.

Output: B


Input: Consider Input: Which of these describes rotation?  
 (A) Mercury goes around the Sun every 88 days. (B) The Moon goes around Earth every 28 days. (C) Earth orbits the Sun about every 365 days. (D) Earth makes one turn on its axis every 24 hours.


Output: D