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:
The cultivation of a range of crop types in a specific order has a positive impact on (A) soil quality (B) water quality (C) air quality (D) atmospheric conditions

Ex Output:
A


Ex Input:
What could be used as an electrical conductor (A) A penny (B) Shoe laces (C) Wood (D) A button

Ex Output:
A


Ex Input:
If an animal is able to reproduce then (A) that animal has matured (B) that animal was impregnated (C) that animal was in heat (D) that animal was interested

Ex Output:

A