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: if a predator wanted to catch its meal undetected, which method would be effective? (A) hiding behind a bush with similar colors as itself (B) roaring really loud to scare it (C) none of these (D) peeing to confuse the prey
Output:
A