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 ship navigates with a magnetic compass because it is (A) unpredictable (B) waterproof (C) tradition (D) predictable

Ex Output:
D


Ex Input:
What might happen if too much heat is transferred to an object? (A) freezing (B) solidifying (C) burning (D) moving

Ex Output:
C


Ex Input:
A large body of salty water drying up is responsible for the creation of the (A) salt flats (B) salt water taffy (C) Rocky mountains (D) ocean winds

Ex Output:

A