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:
One type of electrical circuit that requires a switch could be (A) running (B) diving (C) dimming table lights (D) swimming

Ex Output:
C


Ex Input:
Once the grounds frost over and the air grows chilled (A) beaches are opened (B) humans go naked (C) birds lay eggs (D) roses die

Ex Output:
D


Ex Input:
Shorter periods of daylight happen (A) October to December (B) November to March (C) December to April (D) December to March

Ex Output:

D