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: A needle lined with magnets will pull north. If north is to the right and you want to go west, you'd walk (A) straight (B) left (C) backwards (D) right
Example Output: A

Example Input: if a person takes in more food than their body needs at the time, what happens? (A) they will become smarter (B) they will become tubbier (C) they will become lighter (D) they will become shorter
Example Output: B

Example Input: Electricity causes less pollution than what? (A) sound (B) car propellant (C) water (D) sunlight
Example Output:
B