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:
The everglades where nearly wiped out by (A) the sun (B) builders (C) sea cows (D) alligators

Ex Output:
B


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:
riding a bike helps prevent (A) music (B) inflation (C) environment harm (D) economic stability

Ex Output:

C