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: Consider Input: Which is likely to provide an undesired acquired characteristic for an organism? (A) a light scratch on its leg (B) learning to leave the nest (C) finding a potential mate (D) dipping a foot in magma

Output: D


Input: Consider Input: If an area is experiencing a drought, how can they overcome the lack of water? (A) a downpour (B) nothing (C) more drought (D) go to space

Output: A


Input: Consider Input: Digestion is when stomach acid breaks down what? (A) food essays (B) sustenance (C) water (D) air


Output: B