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").

Ex Input:
What shows that as the size of a flower increases , the number of pollinators it will attract increases? (A) butterflies blend in with flowers where they exist (B) ducks prefer to sleep in water that has flowering water lilies (C) people prefer to walk through gardens that have a large number of flowering plants (D) planting flowering plants causes bees to gather en masse

Ex Output:
D


Ex Input:
A person wants their yard to be a wonderful ecosystem for local wildlife. They consider doing a few things in order to facilitate this, but ultimately decide that the best way to make a great impact is to (A) make some more money (B) plant a wet rope (C) plant a blue spruce (D) sing to their flowers

Ex Output:
C


Ex Input:
After a long, hard workout, many professionals will help their body to heal by consuming (A) electrolytes (B) protein (C) sugar (D) carbohydrates

Ex Output:

B