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:
Jeff noticed that the big dipper was in a different spot in the sky at 2am than where it was at 10pm. Why? (A) because of the earth's orbit (B) the stars had rotated (C) Jeff had been instantly transported thousands of miles from where he'd been at 10pm. (D) the earth had turned

Ex Output:
D


Ex Input:
positively impact your bodies strength by (A) dead-lifting (B) thinking (C) sleeping (D) singing

Ex Output:
A


Ex Input:
A cloud gets fat and heavy and dark. The sky gets darker. The next step to expect is (A) ice (B) precipitation (C) sunshine (D) flowers

Ex Output:

B