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:
Where might you see light reflect? (A) rocks (B) bottled liquid (C) sand (D) wood

Ex Output:
B

Ex Input:
Which is likely true? (A) two negatively charged iron ingots pull together (B) two negatively charged lemons pull together (C) two negatively charged rats pull together (D) two negatively charged dogs pull together

Ex Output:
A

Ex Input:
Hunting any kind of animal will eventually cause that species population numbers to (A) go down (B) phone number (C) atomic number (D) egg shell number

Ex Output:
A