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 crops to grow food safely pesticides are used on them. When it floods, this can cause what to be poisonous? (A) Corn (B) air (C) Runoff (D) farmers

Ex Output:
C


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

Ex Output:
B


Ex Input:
A renewable resource you can find on Earth is (A) stars (B) Oil (C) sand clay (D) fossil fuels

Ex Output:

C