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: All the water vanishes from a small depression basked in sunlight on a paved road because of (A) freezing (B) evaporation (C) condensation (D) precipitation
Example Output: B

Example Input: What could be used as an electrical conductor (A) A penny (B) Shoe laces (C) Wood (D) A button
Example Output: A

Example Input: rocks often contain large amounts of (A) chocolate (B) shoes (C) hard shiny alloy (D) rubber
Example Output:
C