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: A lizard that passed away centuries ago may be viewed most easily today in some ways through (A) globes (B) mirrors (C) telescopes (D) sediment

Output: D


Input: Consider Input: A maglight puts out (A) a beam (B) fires (C) the sun (D) candles


Output: A