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: Webbed feet aid in what (A) penguins laying eggs on ice (B) fish hiding in coral reefs (C) gulls dive bombing fish from the sea (D) ducks chasing prey underwater

Output: D


Input: Consider Input: A boy that has two legs and two arms has parents that have (A) nearly an arm and a leg (B) the same number limbs (C) their left arms only (D) one right leg each

Output: B


Input: Consider Input: Greenhouses are great for plants like (A) Pizza (B) Lollipops (C) Candles (D) French beans


Output: D