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: A good mixture would be (A) water and olive oil (B) coffee and almond creamer (C) salt and fresh tacos (D) sugar and frozen milk

Output: B


Input: Consider Input: Riding a two wheeled human powered vehicle is good for the environment because (A) it runs without fuel (B) it helps people stay in shape (C) they are cheaper to maintain (D) they are more fun to drive

Output: A


Input: Consider Input: a cloudy day may obstruct visibility of which of these? (A) the screen on a smartphone (B) our planet's closest star (C) the teacher in the class (D) the waitress's name tag


Output: B