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 system of tubes that relocates water and nutrients around in order to make most use of them can be found in (A) a lily (B) a door (C) a table (D) a rock
Example Output: A

Example Input: You can use plants like star anise for (A) hugging (B) running (C) swimming (D) sustenance seasoning
Example Output: D

Example Input: If a load of deer are moved to a small park, and they are repeatedly sprayed with pesticides, the (A) deer thrive in that environment (B) deer are healthy and happy (C) deer are given happy lives (D) park will eventually be deerless
Example Output:
D