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").

Input: Consider Input: What is an example of reproduction occurring in adulthood? (A) humans are unable to reproduce until they are legal adults (B) eggs are unable to be fertilized before they are dropped (C) dogs are unable to have puppies until they are two years old (D) cats are unable to produce offspring until they are sexually mature

Output: D

Input: Consider Input: If an entity in intergalactic space has thrust placed upon it, what is the expected result? (A) it will start moving with acceleration (B) it will make a loud noise (C) spontaneously teleport a light year away (D) remain in the same location

Output: A

Input: Consider Input: Guavas with many leaves (A) are mature (B) haven't grown (C) are immature (D) are birds
Output: A