Definition: 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: For a long time I had felt disliked by my roommate. Sentence 2: One day we had a confrontation about this. Sentence 3: She ended up revealing that she doesn't like me. Sentence 4: I was hurt and sad but I decided not to care. Sentence 5: We don't talk much anymore. Choices: a. A Separation. b. Paul's Pool Stick.

a