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: Rain storms and blizzards can be very dangerous to drive in due to the amount of precipitation they produce, which will do what to the roads visibility? (A) make it worse (B) Make it tasty (C) make it better (D) make it hot

Output: A


Input: Consider Input: Ultimately, what one thing is needed for energy for any living thing on Earth? (A) carbon dioxide (B) the closest star (C) blood (D) oxygen


Output: B