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

Output: B


Input: Consider Input: When is hotter? (A) desert (B) night (C) morning (D) noon

Output: D


Input: Consider Input: Magma contains (A) particles of iron (B) Loads of leaves (C) Soda (D) Silly Putty


Output: A