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:
A lone fox is searching for its next meal in a meadow that used to be bountiful with food. This season, though, rabbits have all been eaten up and the field is dry and barren. The fox may (A) fly (B) speak (C) starve (D) float

Ex Output:
C

Ex Input:
Pulse accelerates (A) when cooling down after a work out (B) when running pace increases (C) when running pace slows (D) when entering into a sleep state

Ex Output:
B

Ex Input:
The sun appears to move because of the rotation of a (A) star (B) moon (C) sun (D) planet

Ex Output:
D