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 plant needing to photosynthesize will best be able to (A) in a roofless room (B) in a cardboard box (C) in a windowless room (D) in a car with tinted windows

Ex Output:
A


Ex Input:
Why would a species camouflage as a dangerous animal? (A) to mate (B) to avoid crocodiles (C) to catch prey (D) to  build nests

Ex Output:
B


Ex Input:
How can you get your hands on white blood cells? (A) paint a fence (B) join a gang (C) tour a jail (D) pop a pustule

Ex Output:

D