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: The rhino population is smaller than before because (A) cars crashed into rhinos (B) lions have become more effective at hunting rhinos (C) global warming has increased temperatures (D) people use parts for health remedies
Example Output: D

Example Input: Animals may relocate to a new environment if their old environment (A) experienced a large hurricane (B) experienced a serious thunderstorm (C) had a few arid days (D) had little rainfall for a week
Example Output: A

Example Input: A kumquat is more likely than a steak to have (A) fluid (B) seeds (C) fibers (D) skin
Example Output:
B