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").

Input: Consider Input: A plane travels through what? (A) gas layers (B) plains (C) oceans (D) time

Output: A


Input: Consider Input: It is possible to renew (A) sunflowers (B) oil (C) steel (D) stones

Output: A


Input: Consider Input: Which of these supports an item that works together in large numbers and is greater than the sum of its parts? (A) car (B) membrane (C) fire (D) truck


Output: B