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:
If I wanted to make something move faster I could (A) slow it down (B) stomp on it (C) stop it (D) roll it

Ex Output:
D


Ex Input:
Which is likely to spread seed? (A) a car (B) a sun beam (C) a whale (D) a hummingbird

Ex Output:
D


Ex Input:
An example of a change in the Earth is (A) the sands of Mars moving (B) the moon appearing larger in the night sky (C) a volcano erupting in Hawaii burning through a forest (D) a skyscraper being built

Ex Output:

C