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:
Strong winds have the ability to uproot large trees in a wooded area. Which of these organisms would most likely benefit from this change in a habitat?  
 (A) a bee colony that needs a hive (B) a bird that needs to build a nest (C) a squirrel that needs to find shelter (D) a plant that needs sunlight to grow

Ex Output:
D


Ex Input:
Which object works best when reflecting light?  
 (A) mirror (B) camera (C) binoculars (D) eyeglasses

Ex Output:
A


Ex Input:
How should researchers share their findings with other scientists to validate their study of the effectiveness of a new medication?  
 (A) e-mail the research results to local newspapers (B) publish the research results in a scientific journal (C) publish the results in brochures for doctors (D) discuss the research results on the Internet

Ex Output:

B