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:
What's usually hot in temperature? (A) the Sahara (B) Minnesota (C) Alaska (D) corpses

Ex Output:
A


Ex Input:
What does pencil lead contain? (A) aluminum (B) stable carbon (C) sunlight (D) mineral water

Ex Output:

B