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 horse in a field under the summer sun was glistening wet even though it hadn't rained. (A) the other horses were licking that horse (B) sweat glands released liquid to cool off the horse (C) sweat glands dried up (D) The horse needed a shower and was getting oily

Ex Output:
B


Ex Input:
What are created during the pupa stage in a life cycle? (A) warmth (B) water (C) eggs (D) hard shells

Ex Output:
D


Ex Input:
What prohibits cells from contorting into deformed shapes? (A) helpful viruses help them retain their function (B) a prison cell wall contains them (C) the thin membrane which surrounds them (D) they have a Chilton's manual to guide them

Ex Output:

C