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: Nathalie had a crush on Sebastian. Sentence 2: When he got married, it was the saddest day of her life. Sentence 3: She saw him walked the aisle and marry the woman he loved. Sentence 4: And when she went home, she got drunk all alone. Sentence 5: It took her over a year to get over it and date someone else again. Choices: a. Old crush. b. The Swamp.

a