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:
A learned characteristic could be (A) Eye color (B) a cartwheel (C) freckles (D) Hair color

Ex Output:
B


Ex Input:
Where does August take place during the winter? (A) China (B) Zimbabwe (C) Canada (D) Iceland

Ex Output:
B


Ex Input:
Which is a complete circuit? (A) a refrigerator that is running (B) a battery removed from a toy (C) a clock that is wound-up (D) a fuse that has blown

Ex Output:

A