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: Tim had to buy a textbook for his summer class. Sentence 2: Unfortunately, he was short some money. Sentence 3: He decided to ask his parents for some money. Sentence 4: His parents agreed to give him money in exchange for mowing the lawn. Sentence 5: Tim was able to purchase the textbook after mowing the lawn. Choices: a. Tim Mows The Lawn. b. Interview.

a