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 skill some humans have is (A) ten fingers (B) vision (C) heart beating (D) talking

Ex Output:
D


Ex Input:
What is an example of the fact that crop rotation renews the soil? (A) planting rows of carrots and peas next to one another (B) planting peas one season then carrots the next (C) planting a field of corn with different types in it (D) tilling the soil in between crops

Ex Output:
B


Ex Input:
Cameras (A) can take snapshots of friends wearing snapbacks (B) can be used for their microscopic properties (C) can be used for solving mysteries (D) can take friends on an adventure

Ex Output:

A