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:
A person can find a sparrow's home by (A) looking at its face (B) looking at a detailed map (C) seeing where it was born (D) noting where it frequently consumes

Ex Output:
D


Ex Input:
What is the best example of a live birth? (A) a fish laying a clutch (B) a platypus warming an egg with its furry body until a baby is born (C) a bird warming the eggs in her nest until they hatch (D) a koala delivering into her pouch

Ex Output:
D


Ex Input:
Which of the following would be the most impactful to an ecosystem? (A) an 8.1 earthquake (B) a tree falling (C) a light rainfall (D) a minor snowstorm

Ex Output:

A