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:
with which could you tell the exact size of an object? (A) a plain stick with irregular shape (B) a plastic tape with graduated markings (C) a thermometer with mercury in it (D) a metal cooking spoon

Ex Output:
B


Ex Input:
Which likely most relies on its looks to reproduce? (A) the shark (B) the horse (C) the spider (D) the peacock

Ex Output:
D


Ex Input:
The lights were turned off in a room, who could find the light switch? (A) Mice (B) Elephants (C) Raccoons (D) Hamsters

Ex Output:

C