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: Today I had to do inventory at work with my boss. Sentence 2: He did the top shelves and I did the bottom shelves. Sentence 3: By the time I was finished, my knees were dirty and sore. Sentence 4: When I went home, my roommate asked me about my day. Sentence 5: Without thinking I said, "My boss had me on my knees all day." Choices: a. Careful What You Say. b. Starry sky.

a