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: if a person wanted to hunt down some deer, which of these would be the wrong place to visit? (A) the local hunting reservation (B) a known national reservation (C) an uncharted wilderness region (D) a natural unregulated forest
Example Output: B

Example Input: The producer makes its own: (A) body (B) sustenance (C) air (D) grass
Example Output: B

Example Input: What would cause a flood? (A) overpopulation of an area (B) Mount Everest losing soil (C) lake erie getting too much rain water (D) a river running dry
Example Output:
C