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 person can find a sparrow's home by (A) looking at its face (B) looking at a detailed map (C) seeing where it was born (D) noting where it frequently consumes

Ex Output:
D


Ex Input:
with which could you tell the exact size of an object? (A) a plain stick with irregular shape (B) a plastic tape with graduated markings (C) a thermometer with mercury in it (D) a metal cooking spoon

Ex Output:
B


Ex Input:
A storm is coming and dark clouds are rolling in, which were formed after (A) fluid was drawn from the air (B) rain was drawn on a sheet (C) water was wet in the future (D) people drew rain storms

Ex Output:

A