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: Which of the following most likely led to certain rocks having less friction? (A) a babbling brook (B) people (C) a light wind (D) money

Output: A


Input: Consider Input: A vehicle rounds a corner and slips, squealing. The tires at that point experienced (A) less friction (B) more friction (C) free falling (D) zero friction

Output: B


Input: Consider Input: Which has a child that will miss out on being a pupa? (A) an ant (B) a bee (C) a butterfly (D) a giraffe


Output: D