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 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:
The earth makes its way around the sun. Because of the constant rotation, the appearance of these is unlikely to be regular. (A) the moon (B) the oceans (C) celestial bodies (D) the sun

Ex Output:
C


Ex Input:
A way to tell if a rock could possibly hold Fe inside is to (A) hover a magnet over it (B) take the rock home (C) ask someone at school (D) look at it closely

Ex Output:

A