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 is a major difference between the life cycles of different types of plants?  
 (A) the way they die (B) the energy they use (C) the way they reproduce (D) the way they make food

Output: C


Input: Consider Input: The changing appearances of the nighttime sky over the surface of Earth and eclipses of the Moon have provided evidence that  
 (A) Earth is a sphere. (B) Earth supports life. (C) Earth has a layered atmosphere. (D) Earth is covered mostly with water.

Output: A


Input: Consider Input: A company is making prototypes for a new computer system. Which of the following statements best describes an advantage of making several different prototypes?  
 (A) They can be tested at the same time. (B) They can be produced in large numbers. (C) They will be bought by many different users. (D) They will be sold for more than they cost to build.


Output: A