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: What becomes smoother through weathering? (A) rainbow (B) water (C) cat (D) pumice

Output: D


Input: Consider Input: To protect themselves from consumers, which action would an animal most likely take? (A) nesting right beside predators (B) standing out in the sun (C) standing out from the environment (D) appearing the same as surroundings

Output: D


Input: Consider Input: Which of these animal traits is generally determined by environmental factors rather than heredity? (A) eye color (B) height (C) hair length (D) number of chromosomes


Output: C