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: Laura really wanted to go see Rihanna in concert. Sentence 2: She saved up a lot of money for the tickets. Sentence 3: When they went on sale she couldn't get one! Sentence 4: They all sold out so fast. Sentence 5: Laura ended up finding a ticket on craigslist and going! Choices: a. Rihanna. b. Chris Brown Arrested Again.

a