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: harming an animal species causes that animal 's population to do what? (A) explode (B) rise (C) plummet (D) burst
Example Output: C

Example Input: Due to camouflage, you are less likely to be able to see a polar bear in (A) a church (B) the zoo (C) alaska (D) africa
Example Output: C

Example Input: What can cause light to bounce off an object? (A) something painted black (B) surface with aluminium (C) water condensation (D) springs and coils
Example Output:
B