Instructions: In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.
Input: Sentence 1: Bryan was 9 years old when his mother and father split up. Sentence 2: He was scared because his mom was unstable. Sentence 3: She started to do drugs. Sentence 4: Things got very bad and she went to prison. Sentence 5: Bryan had to move in with his father. Choices: a. All Alone. b. Hidden potential.
Output:
a