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.

Ex Input:
What change would occur if Earth's rate of rotation significantly increased?  
 (A) The year would be shorter. (B) The year would be longer. (C) The day would be shorter. (D) The day would be longer.

Ex Output:
C


Ex Input:
Which group of organisms can make food by a process called chemosynthesis?  
 (A) scavengers (B) producers (C) consumers (D) decomposers

Ex Output:
B


Ex Input:
Camouflage MOST helps an animal with which of these life needs?  
 (A) Finding shelter (B) Hiding from predators (C) Gathering enough food (D) Raising young

Ex Output:

B