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 person can inflate a beach ball using (A) a salt shaker (B) several cups (C) live bees (D) organ processed gas

Output: D


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: Sea turtles share space with (A) geckos (B) catfish (C) sea weed (D) river otters


Output: C