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: The shape of a hummingbird's beak is an adaptation for (A) getting to hard to reach wood (B) getting to hard to reach females (C) getting to hard to reach rocks (D) getting to hard to reach nutrients

Output: D


Input: Consider Input: An action that may provide a small bit of warmth could be (A) looking out of a window (B) putting the radio on (C) looking at a snow storm (D) smashing hands together repeatedly

Output: D


Input: Consider Input: If a room is going to be humid, or dry, depends on how much water vapor is in the air, so if a room wants to be humid (A) run a bath (B) use a dehumidifier (C) open a window (D) hope it rains


Output: A