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: Chantel was hanging out with her boyfriend having a nice day. Sentence 2: She noticed her boyfriend acting weird and  he asked to talk. Sentence 3: She listened, devastated when he admitted he wanted to break up. Sentence 4: She tried to argue but soon realized it was futile. Sentence 5: She left his house and went home to mend her broken heart. Choices: a. Dumped. b. The Cell Phone.

a