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: A light using energy can cease that activity when (A) light bulbs are gold (B) lights are always on (C) wall switch is adjusted (D) walls are painted blue
Example Output: C

Example Input: A pigeon is hungry so it snags a slice of pizza off a table using its (A) wing (B) teeth (C) beak (D) leg
Example Output: C

Example Input: Bumble Bees like to do what in the winter (A) sleep years (B) sleep softly (C) sleep extensive periods (D) sleep painfully
Example Output:
C