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: with which could you tell the exact size of an object? (A) a plain stick with irregular shape (B) a plastic tape with graduated markings (C) a thermometer with mercury in it (D) a metal cooking spoon

Output: B


Input: Consider Input: The strength of a hurricane increases as moisture and what increase? (A) hotness (B) animals (C) water (D) anger

Output: A


Input: Consider Input: Vaccines (A) are only necessary for immuno-comprised people (B) help prevent outbreaks of once dormant diseases (C) provide little protection against diseases (D) are unimportant and under researched


Output: B