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: What substance found in rocks shares it's name with an object which can take wrinkles from an item worn on the body to cover the skin from the elements? (A) Iron (B) Stove (C) Copper (D) Steamer
Example Output: A

Example Input: Scales (A) measure how much belly fat the user has (B) measure height of the user (C) help users know if they need to drop some lbs. (D) help users determine their blood sugar levels
Example Output: C

Example Input: what celestial body is after the 8th one in this solar system? (A) earth (B) venus (C) pluto (D) jupiter
Example Output:
C