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: My new coworker was very thin. Sentence 2: She had just started on the job. Sentence 3: She told me she liked beef buns from Chinatown. Sentence 4: I bought her several buns during her first weeks at the job. Sentence 5: She said I was trying to fatten her up. Choices: a. Beef Bun. b. Broken air bed.

a