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: Tom dreamed of being a businessman. Sentence 2: He decided to start a small store in a tiny town. Sentence 3: As the town grew, more and more people purchased from his store. Sentence 4: Tom's store became the most popular store in the town. Sentence 5: Tom had become a successful businessman. Choices: a. Tom's Business. b. Drum.

a