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: How is a place of lower elevation affected by flooding when compared to a higher location? (A) It is more affected by the flood (B) It is impossible to flood a lower elevation location (C) It is more resistant than a higher place (D) The lower area is already flooded
Example Output: A

Example Input: What does a seismograph measure? (A) the motion produced by underground collisions (B) the quaking of a man in fear (C) how strong the earth quakes beneath a stampeding herd (D) how strong waves can break plates
Example Output: A

Example Input: Which is required for a sedan to run? (A) vapor of ghosts (B) an oxidizer (C) Pistons Basketball Team (D) orange juice mixture
Example Output:
B