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: Deserts are in extremely dry environments, so liquids will naturally be (A) rainbow (B) plentiful (C) meager (D) talented
Example output: C
Example explanation: This is a good example and the output correctly answers the question.
Q: An example of how melting is achieved is seen in (A) cooking stew in a crockpot (B) using an oven to heat a pizza (C) using a stove to warm frozen vegetables (D) using a hairdryer to turn ice to water
A:
D