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: Tom had been dating his girlfriend for months. Sentence 2: He had jealousy issues. Sentence 3: His girlfriend was getting tired of it. Sentence 4: One day Tom started a fight with a random guy he thought was flirting. Sentence 5: Tom's girlfriend dumped him over it. Choices: a. Pain in the Back. b. Jealousy Issues.

b