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: In a bowl of water with the sun shining on it, what happens to the water after four hours? (A) the water is growing algae (B) there is less water (C) the water is dirty (D) there is more water
Example Output: B

Example Input: What does a hand dryer produce? (A) growth (B) money (C) carbs (D) hotness
Example Output: D

Example Input: What can be renewed? (A) plastics (B) leather (C) coal (D) diesel
Example Output:
B