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").

Ex Input:
Nerves all have (A) microscopic parts (B) short arms (C) viable organs (D) liver transplants

Ex Output:
A


Ex Input:
Which is likely true? (A) two negatively charged iron ingots pull together (B) two negatively charged lemons pull together (C) two negatively charged rats pull together (D) two negatively charged dogs pull together

Ex Output:
A


Ex Input:
Without reliable sources of food or water (A) creatures experience some suffering (B) animals must make their own (C) dogs will need to be fed (D) organisms need to be cared for

Ex Output:

A