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: Raymond just got a stack of papers and needed a stapler to attach them. Sentence 2: He looked on his desk but the stapler wasn't there. Sentence 3: Raymond rushed to the store to buy a new stapler. Sentence 4: After he purchased the stapler, he bought staples. Sentence 5: Now Raymond is able to staple the papers together. Choices: a. Writing Success. b. Stapler.

b