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").

Example Input: Some animals get caught easily by other animals because they are slow while the predators are (A) Nice (B) speedy (C) manipulative (D) crazy
Example Output: B

Example 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
Example Output: B

Example Input: Using trash in the way it was used in the last scene of the 'Back to the Future' movie is, most ideally, an example of: (A) creative filming (B) an alternative fuel (C) wishful thinking (D) cleaning the environment
Example Output:
B