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: speed is a measure of how fast all these move but (A) a person waiting (B) a fish swimming (C) a dog running (D) a bird flying

Output: A


Input: Consider Input: The last celestial body in our solar system without an orbit is (A) Saturn (B) Jupiter (C) a meteor (D) Uranus

Output: C


Input: Consider Input: A flashlight can be used to (A) create warmness (B) become a firefly (C) travel to space (D) harvest magic


Output: A