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: Magnetic media, such as TVs, computer monitors, credit cards and pacemakers can be damaged when exposed to (A) neodymium (B) a paper clip (C) copper penny (D) metal nails
Example Output: A

Example Input: What does electrical energy become when a light bulb is turned on? (A) energy newly derived from radiation (B) energy derived from its motion (C) energy  that can be seen and used to see the matter around us (D) solar and wind energy
Example Output: C

Example Input: A skill, or learned characteristic is (A) washing face (B) falling asleep (C) eating breakfast (D) crying
Example Output:
A