Definition: 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: Which is likely to occur as leaves fall off the trees and food becomes less plentiful? (A) a hare grows longer fur (B) a worm grows longer fur (C) a worm sings louder (D) a hare sings louder
Output:
A