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 would occur in nature? (A) an osprey catches a fish with claws (B) a fish catches a fish with its claws (C) a dog catches a fish with its claws (D) a worm catches a fish with its claws

Ex Output:
A


Ex Input:
Camouflage is used by entities for hunting (A) air (B) trees (C) vittles (D) water

Ex Output:
C


Ex Input:
An electron microscope can look at (A) my emotions (B) an elephant (C) a dog (D) my common cold

Ex Output:

D