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

Output: B


Input: Consider Input: a lighter object hue can lead to what? (A) none of these (B) positive charge in electricity (C) a bad electric conduction (D) ability to see yourself in it better

Output: D


Input: Consider Input: Renewable resources (A) often come from fossil fuels (B) take centuries to biodegrade (C) can be used ad infinitum (D) should be used conservatively


Output: C