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: What is the best example of a live birth? (A) a fish laying a clutch (B) a platypus warming an egg with its furry body until a baby is born (C) a bird warming the eggs in her nest until they hatch (D) a koala delivering into her pouch

Output: D


Input: Consider Input: Which of these places is worst for growing oregano? (A) field (B) farm (C) greenhouse (D) cave


Output: D