You are given a science question (hard-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:
Farmers plant fruit trees in an area that was once a grassy meadow. Which will most likely happen to the rabbits living in the meadow?  
 (A) They will learn to eat fruit. (B) They will learn to climb trees. (C) The number of their young will increase. (D) The size of their population will decrease.

Ex Output:
D


Ex Input:
Matt is a tall, eleven-year-old boy. He has a scar on his right cheek. He is intelligent and an excellent drummer. Which of his traits did he most likely inherit?  
 (A) his height (B) his scar on his right cheek (C) his intelligence (D) his ability to play the drums

Ex Output:
A


Ex Input:
Which of these behaviors did a bear most likely learn from living in its environment?  
 (A) drinking water (B) eating fish (C) opening garbage can lids (D) protecting its young

Ex Output:

C