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: An example of an acquired characteristic is (A) the thickness of a horse's mane (B) the length of a horse's mane (C) the number of legs a horse has (D) the color of a horse's mane
Example Output: B

Example Input: A bee will be able to make a hive of golden liquid if they have access to (A) tumbleweeds (B) plastic flowers (C) products of flowers (D) painted colors
Example Output: C

Example Input: Plant lights can be useful in order to (A) dry up several plants (B) lower energy costs at home (C) recreate effects of the sun (D) give dogs good lighting
Example Output:
C