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: which of these environments would better support photo film development? (A) a dense forest nook (B) a lush green meadow (C) a sparsely populated forest (D) an open sahara desert
Example Output: A

Example Input: Chlorophyll is good for allowing plants to absorb energy and (A) is dry (B) is dead (C) is clear (D) is healthy
Example Output: D

Example Input: What offers a tree with stability and a way to distribute nutrients throughout the plant? (A) sap (B) leaves (C) fruit (D) trunk
Example Output:
D