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 man will most likely be unable to see if he gets lost in (A) a dense forest (B) a long river (C) a desert (D) a mountain

Ex Output:
A


Ex Input:
A person is in the forest, lost. They need to signal to others that they are there, and their voice is gone, so they need to do it inaudibly. The person may signal with (A) fire (B) rain (C) leaves (D) ducks

Ex Output:
A


Ex Input:
A rainy environment results in (A) more overcast days (B) more sunny days (C) less overcast days (D) a dry environment

Ex Output:

A