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:
an animal needs to burn complex carbohydrates to (A) stay up (B) move (C) sit (D) sleep

Ex Output:
B


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:
Molecules are known for having a (A) Positive Charge (B) Neutral Charge (C) Friend (D) Negative Charge

Ex Output:

B