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:
Butterflies will often times have coloring that at look like eyes on their wings for (A) to look pretty (B) fun (C) to see flowers (D) protection

Ex Output:
D


Ex Input:
A mountain top heats and lava flows, resulting in (A) a hot golden leaf (B) a cold deep sea (C) a raised portion of land (D) a sunken valley of ice

Ex Output:
C


Ex Input:
When the Platypus emerges into the pouch it has been (A) ran (B) died (C) birthed (D) flown

Ex Output:

C