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 population of rabbits in an area increases. That could have been caused by (A) More predators have been moving into the area (B) The rabbits are becoming infertile (C) Hunters are trapping the rabbits (D) More precipitation falling lately

Ex Output:
D


Ex Input:
Alligators (A) eat gar (B) eat only foliage (C) have live births (D) are warm-blooded

Ex Output:
A


Ex Input:
If you hold the compass sideways while at the south pole, where do the needles point? (A) to the side (B) both down (C) both up (D) up and down

Ex Output:

D