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: An electron microscope can (A) move small magnets around (B) create completed replicas of animals (C) burn plastic with ease (D) recreate an entire image
Example Output: D

Example Input: If a day has passed, so has (A) most of a month (B) most of thirty hours (C) most of a week (D) most of a year
Example Output: B

Example Input: Which would you avoid filling a beachball with? (A) nitrogen (B) sand (C) oxygen (D) helium
Example Output:
B