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: Why was my son-in-law required to add rugs or carpeting to his upstairs apartment when the ground floor wasn't? (A) So it would look good then prospective renters took a tour (B) Because they didn't want him to scratch up the wood floors. (C) Because they didn't want the downstairs renters to be as likely to complain about noise (D) Because they didn't want to pay for carpeting themselves.

Output: C


Input: Consider Input: raccoons eat what? (A) debris (B) people (C) fire (D) dirt

Output: A


Input: Consider Input: one's ability to hear their name being called across the room indicates the presence of (A) gas in the stove (B) water in the walls (C) atmosphere in the space (D) water in the ears


Output: C