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: An example of seed dispersal is animals eating what? (A) dirt (B) hard shells (C) grass (D) animals
Example Output: B

Example Input: When a squid moves forward, water is (A) pushed directly behind it (B) pushed up and below it (C) evaporated by salt water (D) pushed in front of it
Example Output: A

Example Input: The turtle which lays the most eggs on a beach will (A) decrease turtle numbers (B) boost hatching numbers (C) stop hatching young (D) eat more sand
Example Output:
B