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: Disposition is the process of forming what? (A) Crystals (B) Rocks (C) Salactites (D) Gemstones
Example Output: C

Example Input: The Norwegian government maintains a special storage chamber 800 miles from the Arctic Circle for use in the event of a man-made or natural disaster. The storage structure is built in Arctic permafrost and holds (A) seeds that are growing now (B) seeds for the Arctic animals (C) seeds that spread the permafrost (D) preserved seeds for reproducing edible crops
Example Output: D

Example Input: Which type of vegetation could you find in areas with low rainfall? (A) sunflowers (B) cacti (C) rose bushes (D) palm trees
Example Output:
B