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 had a friend who started a business. Sentence 2: He hit tom up for some investment money. Sentence 3: Tom reluctantly agreed. Sentence 4: Within a month his friend's business folded. Sentence 5: Tom lost all the money he invested. Choices: a. Lost Investment. b. Delivery.

a