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:
In order for trees to use sunlight they must (A) their roots (B) the light switch (C) CPR (D) respire

Ex Output:
D


Ex Input:
During the rainy season in a city, the amount of sunlight in the city will (A) stay the same (B) decrease (C) expand (D) increase

Ex Output:
B


Ex Input:
How long is it between a moon phase? (A) a minute (B) 168 hours (C) an hour (D) a day

Ex Output:

B