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: Which of these objects could combust (A) Seashells (B) Grass (C) A cat (D) A paint can

Output: D

Input: Consider Input: A person needs to find a way to shore while on a raft. Another person tells the first person which direction to go in order to safely reach land, so the person directing is (A) navigating (B) negating (C) relying (D) destroying
Output: A