You will be given a definition of a task first, then some input of the task.
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'.

Sentence 1: Ken had been raised in a rich white suburb and went to private school. Sentence 2: In seventh grade a black girl enrolled in his school. Sentence 3: At first Ken avoided her like everyone else, but not for long. Sentence 4: Soon his curiosity had him chatting with her daily. Sentence 5: Before long, Ken and the new girl had become close friends. Choices: a. Black Girl. b. apple.
Output:
a