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: Locusts historically always affect crops (A) in the sky (B) disadvantageously (C) near water (D) positively
Example Output: B

Example Input: To have energy that will last your whole life you'd buy a (A) car battery (B) loaf of bread (C) turbine (D) tank of gas
Example Output: C

Example Input: A tree is dead (A) when a raccoon scurries up it's trunk (B) when a beaver uses it to a stop up a flowing river (C) when a possum hides in its branches (D) when an owl lives in it
Example Output:
B