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:
Within a twenty four hour period, a person could experience (A) a globe's complete rotation (B) thirty hours of night (C) a day on Pluto (D) a year of schooling

Ex Output:
A


Ex Input:
If I wanted to get more energy after exerting myself too much (A) I can consume an apple (B) I can go for a run (C) I can brush my hair (D) I can wash my face

Ex Output:
A


Ex Input:
Rubber can protect from (A) cold (B) burns (C) electricity (D) fire

Ex Output:

C