Definition: 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: A baby bear has golden fur which is medium length. The reason for this is most likely (A) gene contributors shared that characteristic (B) its parents are polar bears (C) mother bear has blue eyes (D) parents all have black fur
Output:
A