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: Kevin had broken up with his girlfriend. Sentence 2: Later he began to miss her. Sentence 3: His girlfriend was upset that he had left her. Sentence 4: Kevin asked her to take him back. Sentence 5: Kevin's ex-girlfriend refused to talk to him. Choices: a. Breaking Up. b. Sweating in the Storm.

a