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").

Ex Input:
Where might you find the substance used to make the shiny metallic foil paper used in cooking? (A) Clouds (B) Rocks (C) Wood (D) Leaves

Ex Output:
B


Ex 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

Ex Output:
A


Ex Input:
Which would likely need a hot plate? (A) physics class (B) chemistry class (C) english class (D) math class

Ex Output:

B