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").

Example Input: One type of electrical circuit that requires a switch could be (A) running (B) diving (C) dimming table lights (D) swimming
Example Output: C

Example 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
Example Output: B

Example Input: Environments which are forested are often green; what is an example of this? (A) a thriving jungle canopy (B) a dry, sandy desert (C) a snowy icy glacier (D) a cold, empty mountaintop
Example Output:
A