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: 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

Output: B


Input: Consider Input: A source of heat may come from (A) a cold shower (B) holding hands (C) holding ice (D) Antartica

Output: B


Input: Consider Input: The diaphragms in the microphone and speaker convert sound energy into (A) light energy (B) low voltage electricity (C) back message (D) heat energy


Output: B