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").

Example Input: If someone wants to use a natural gas in order to assist something necessary, they can (A) use it to bathe in (B) eat it to die quickly (C) freeze it to make ice cubes (D) ignite it to warm their body
Example Output: D

Example Input: Two ships grazing each other as they pass will (A) cause mayhem (B) sink them (C) speed them up (D) slow them down
Example Output: D

Example Input: which of these would most likely cause a car to lose control? (A) a nice dry asphalt highway (B) a highway after cloud precipitation (C) a dry cobble stone road (D) all of these
Example Output:
B