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:
Birds sometimes eat what? (A) grass (B) underground crawlers (C) insecticide (D) trees

Ex Output:
B


Ex Input:
A vehicle rounds a corner and slips, squealing. The tires at that point experienced (A) less friction (B) more friction (C) free falling (D) zero friction

Ex Output:
B


Ex Input:
Winter in the Northern Hemisphere (A) are the same as the Southern Hemisphere (B) led to wet fall days (C) correlate to cold months int he Southern Hemisphere (D) correlate to long, sunny days in the Southern Hemisphere

Ex Output:

D