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:
Which of the following items can perform photosynthesis? (A) a flying wasp (B) a speedy cheetah (C) wet dirt (D) a yellow tulip

Ex Output:
D


Ex Input:
Birds sometimes eat what? (A) grass (B) underground crawlers (C) insecticide (D) trees

Ex Output:
B


Ex Input:
An organism passes from the world and so it (A) has croaked (B) has money (C) has health (D) has flown

Ex Output:

A