In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Input: Consider Input: An example of an acquired characteristic is (A) the thickness of a horse's mane (B) the length of a horse's mane (C) the number of legs a horse has (D) the color of a horse's mane

Output: B


Input: Consider Input: As a soccer ball goes flying through the air, the person watching it knows that the reason is because (A) everything is aerial (B) exerting occurred (C) balls are birds (D) soccer takes wing

Output: B


Input: Consider Input: Desalinating water from the ocean does what to nearby fish? (A) manipulates habitat (B) makes habitat nicer (C) helps them out (D) gives them money


Output: A